This map shows the geology in and around potential early Apollo landing site 5 in the lunar equatorial belt. The Maestlin G region is in Oceanus Procellarum, about midway between the crater Kepler to the northeast and Flamsteed to the southwest. Terra materials occur only in the northeast corner of the region. Dark mare covers the remainder, and the entire region is crossed by rays from Kepler. The general geology of the larger Kepler region was mapped at a scale of 1:1,000,000 from telescopic photography (Hackman, 1962), and a 1:25,000 geologic map has been prepared of the landing site in the central part of the region (Titley and Trask, 1969).
","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/i622","usgsCitation":"Carr, M.H., and Titley, S., 1969, (ORB II-13 (100)) Geologic map of the Maestlin G region of the moon, Lunar Orbiter site II P-13, Oceanus Procellarum, including Apollo landing site 5: U.S. Geological Survey IMAP 622, 1 map, https://doi.org/10.3133/i622.","productDescription":"1 map","costCenters":[],"links":[{"id":439074,"rank":3,"type":{"id":30,"text":"Data Release"},"url":"https://doi.org/10.5066/P14QSV48","text":"USGS data release","linkHelpText":"Interactive map: (ORB II-13 (100)) Geologic map of the Maestlin G region of the moon, Lunar Orbiter site II P-13, Oceanus Procellarum, including Apollo landing site 5"},{"id":439073,"rank":3,"type":{"id":30,"text":"Data Release"},"url":"https://doi.org/10.5066/P988DDUB","text":"USGS data release","linkHelpText":"(ORB II-13 (100)) Geologic map of the Maestlin G region of the moon, Lunar Orbiter site II P-13, Oceanus Procellarum, including Apollo landing site 5"},{"id":189056,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/usgs_thumb.jpg"},{"id":100793,"rank":2,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/imap/0622/plate-1.pdf","size":"10869","linkFileType":{"id":1,"text":"pdf"}}],"scale":"100000","otherGeospatial":"Kepler Crater, Moon, Oceanus Procellarum","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"53cd4905e4b0b290850eed11","contributors":{"authors":[{"text":"Carr, M. H.","contributorId":84727,"corporation":false,"usgs":true,"family":"Carr","given":"M.","email":"","middleInitial":"H.","affiliations":[{"id":131,"text":"Astrogeology Science Center","active":true,"usgs":true}],"preferred":false,"id":272306,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Titley, S.R.","contributorId":60602,"corporation":false,"usgs":true,"family":"Titley","given":"S.R.","affiliations":[],"preferred":false,"id":272305,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}} ,{"id":47938,"text":"ofr71149 - 1969 - Annual compilation and analysis of hydrologic data for Mukewater Creek, Colorado River basin, Texas","interactions":[],"lastModifiedDate":"2017-06-27T14:54:18","indexId":"ofr71149","displayToPublicDate":"1994-01-01T00:00:00","publicationYear":"1969","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":330,"text":"Open-File Report","code":"OFR","onlineIssn":"2331-1258","printIssn":"0196-1497","active":true,"publicationSubtype":{"id":5}},"seriesNumber":"71-149","title":"Annual compilation and analysis of hydrologic data for Mukewater Creek, Colorado River basin, Texas","docAbstract":"No abstract available.
","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/ofr71149","usgsCitation":"Hejl, H.R., 1969, Annual compilation and analysis of hydrologic data for Mukewater Creek, Colorado River basin, Texas: U.S. Geological Survey Open-File Report 71-149, 84 p., https://doi.org/10.3133/ofr71149.","productDescription":"84 p.","onlineOnly":"N","additionalOnlineFiles":"N","costCenters":[{"id":583,"text":"Texas Water Science Center","active":true,"usgs":true}],"links":[{"id":169438,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/usgs_thumb.jpg"}],"country":"United States","state":"Texas","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4ac8e4b07f02db67bbe3","contributors":{"authors":[{"text":"Hejl, H. R. Jr.","contributorId":69555,"corporation":false,"usgs":true,"family":"Hejl","given":"H.","suffix":"Jr.","email":"","middleInitial":"R.","affiliations":[],"preferred":false,"id":236554,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":33932,"text":"b1312G - 1969 - Lead isotope guides for Mississippi Valley lead-zinc exploration","interactions":[],"lastModifiedDate":"2012-02-02T00:09:35","indexId":"b1312G","displayToPublicDate":"1994-01-01T00:00:00","publicationYear":"1969","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":306,"text":"Bulletin","code":"B","active":false,"publicationSubtype":{"id":5}},"seriesNumber":"1312","chapter":"G","title":"Lead isotope guides for Mississippi Valley lead-zinc exploration","language":"ENGLISH","publisher":"U.S.Govt.Print.Off.,","doi":"10.3133/b1312G","usgsCitation":"Cannon, R.S., and Pierce, A.P., 1969, Lead isotope guides for Mississippi Valley lead-zinc exploration: U.S. Geological Survey Bulletin 1312, 20 p, https://doi.org/10.3133/b1312G.","productDescription":"20 p","costCenters":[],"links":[{"id":96187,"rank":300,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/bul/1312g/report.pdf","size":"1486","linkFileType":{"id":1,"text":"pdf"}},{"id":166192,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/bul/1312g/report-thumb.jpg"}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4b1ae4b07f02db6a87c4","contributors":{"authors":[{"text":"Cannon, Ralph Smyser Jr.","contributorId":103691,"corporation":false,"usgs":true,"family":"Cannon","given":"Ralph","suffix":"Jr.","email":"","middleInitial":"Smyser","affiliations":[],"preferred":false,"id":212190,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Pierce, Arthur P.","contributorId":59792,"corporation":false,"usgs":true,"family":"Pierce","given":"Arthur","email":"","middleInitial":"P.","affiliations":[],"preferred":false,"id":212189,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}} ,{"id":55934,"text":"ofr69230 - 1969 - Summary of microearthquakes along the San Andreas fault system in central California, April to June 30, 1968","interactions":[],"lastModifiedDate":"2012-02-02T00:12:18","indexId":"ofr69230","displayToPublicDate":"1994-01-01T00:00:00","publicationYear":"1969","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":330,"text":"Open-File Report","code":"OFR","onlineIssn":"2331-1258","printIssn":"0196-1497","active":true,"publicationSubtype":{"id":5}},"seriesNumber":"69-230","title":"Summary of microearthquakes along the San Andreas fault system in central California, April to June 30, 1968","language":"ENGLISH","doi":"10.3133/ofr69230","usgsCitation":"Roller, J.C., Eaton, J.P., and Lee, W., 1969, Summary of microearthquakes along the San Andreas fault system in central California, April to June 30, 1968: U.S. Geological Survey Open-File Report 69-230, 24 p. (incl. 20 p. tables, 1 fig.), https://doi.org/10.3133/ofr69230.","productDescription":"24 p. (incl. 20 p. tables, 1 fig.)","costCenters":[],"links":[{"id":184487,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/usgs_thumb.jpg"}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4b04e4b07f02db699119","contributors":{"authors":[{"text":"Roller, John C.","contributorId":60642,"corporation":false,"usgs":true,"family":"Roller","given":"John","email":"","middleInitial":"C.","affiliations":[],"preferred":false,"id":254519,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Eaton, Jerry P.","contributorId":22341,"corporation":false,"usgs":true,"family":"Eaton","given":"Jerry","email":"","middleInitial":"P.","affiliations":[],"preferred":false,"id":254518,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Lee, William Hung Kan","contributorId":83502,"corporation":false,"usgs":true,"family":"Lee","given":"William Hung Kan","affiliations":[],"preferred":false,"id":254520,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}} ,{"id":55884,"text":"ofr694 - 1969 - Floods in Marengo South quadrangle, northeastern Illinois","interactions":[{"subject":{"id":55884,"text":"ofr694 - 1969 - Floods in Marengo South quadrangle, northeastern Illinois","indexId":"ofr694","publicationYear":"1969","noYear":false,"title":"Floods in Marengo South quadrangle, northeastern Illinois"},"predicate":"SUPERSEDED_BY","object":{"id":68599,"text":"ha463 - 1972 - Floods in Marengo South Quadrangle, Northeastern Illinois","indexId":"ha463","publicationYear":"1972","noYear":false,"title":"Floods in Marengo South Quadrangle, Northeastern Illinois"},"id":1}],"supersededBy":{"id":68599,"text":"ha463 - 1972 - Floods in Marengo South Quadrangle, Northeastern Illinois","indexId":"ha463","publicationYear":"1972","noYear":false,"title":"Floods in Marengo South Quadrangle, Northeastern Illinois"},"lastModifiedDate":"2012-02-02T00:12:01","indexId":"ofr694","displayToPublicDate":"1994-01-01T00:00:00","publicationYear":"1969","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":330,"text":"Open-File Report","code":"OFR","onlineIssn":"2331-1258","printIssn":"0196-1497","active":true,"publicationSubtype":{"id":5}},"seriesNumber":"69-4","title":"Floods in Marengo South quadrangle, northeastern Illinois","language":"ENGLISH","doi":"10.3133/ofr694","usgsCitation":"Allen, H., 1969, Floods in Marengo South quadrangle, northeastern Illinois: U.S. Geological Survey Open-File Report 69-4, 10 p., 16 figs., https://doi.org/10.3133/ofr694.","productDescription":"10 p., 16 figs.","costCenters":[],"links":[{"id":182229,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/usgs_thumb.jpg"}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e49e4e4b07f02db5e64e3","contributors":{"authors":[{"text":"Allen, H.E.","contributorId":40272,"corporation":false,"usgs":true,"family":"Allen","given":"H.E.","affiliations":[],"preferred":false,"id":254414,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":17964,"text":"ofr699 - 1969 - Preliminary geologic interpretation of aeromagnetic data in the Nixon Fork district, Alaska","interactions":[{"subject":{"id":17964,"text":"ofr699 - 1969 - Preliminary geologic interpretation of aeromagnetic data in the Nixon Fork district, Alaska","indexId":"ofr699","publicationYear":"1969","noYear":false,"title":"Preliminary geologic interpretation of aeromagnetic data in the Nixon Fork district, Alaska"},"predicate":"SUPERSEDED_BY","object":{"id":39568,"text":"pp700D - 1970 - Geological Survey research 1970, Chapter D","indexId":"pp700D","publicationYear":"1970","noYear":false,"chapter":"D","title":"Geological Survey research 1970, Chapter D"},"id":1}],"supersededBy":{"id":39568,"text":"pp700D - 1970 - Geological Survey research 1970, Chapter D","indexId":"pp700D","publicationYear":"1970","noYear":false,"title":"Geological Survey research 1970, Chapter D"},"lastModifiedDate":"2024-01-17T19:39:16.691625","indexId":"ofr699","displayToPublicDate":"1994-01-01T00:00:00","publicationYear":"1969","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":330,"text":"Open-File Report","code":"OFR","onlineIssn":"2331-1258","printIssn":"0196-1497","active":true,"publicationSubtype":{"id":5}},"seriesNumber":"69-9","title":"Preliminary geologic interpretation of aeromagnetic data in the Nixon Fork district, Alaska","docAbstract":"An aeromagnetic map covering 480 square miles was compiled for the Nixon Fork district, which is located approximately 35 miles northeast of McGrath, Alaska. The survey was flown in search of concealed intrusive rocks which may have produced contact metamorphic deposits in limestone similar to the known lode deposits which have been the principal source of gold in the district.
The exposed quartz monzonite stocks with which the lode deposits are associated produce negative magnetic anomalies. Slight to moderately strong positive anomalies correlate with granitic intrusives in contact with Upper Cretaceous rocks in the Iditarod-Nixon Fork fault zone. No significant mineral deposits have been found in conjunction with these granitic bodies.
Positive anomalies, delineating buried intrusives, occur near the east and west boundaries of the mapped area. The nature of the westernmost intrusive is unknown.
An area of possible economic interest lies between Limestone Mountain and Whirlwind-Canyon Creeks in the eastern sector of the mapped area. An elliptical positive anomaly is superimposed on an elongate, slightly negative anomaly. This negative anomaly may represent an intrusive similar to the quartz monzonite with which the lode deposits are affiliated. The positive anomaly may be a near-vertical mafic dike intruded to within 50 feet of the surface of a limestone ridge. Limestone in the vicinity of the dike may be a favorable area for prospecting for lode deposits similar to the known gold-producing deposits of the district.
","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/ofr699","usgsCitation":"Anderson, L.A., Reed, B.L., and Johnson, G.R., 1969, Preliminary geologic interpretation of aeromagnetic data in the Nixon Fork district, Alaska: U.S. Geological Survey Open-File Report 69-9, Report: ii, 6 p.; 1 Plate: 40.63 x 31.55 inches, https://doi.org/10.3133/ofr699.","productDescription":"Report: ii, 6 p.; 1 Plate: 40.63 x 31.55 inches","costCenters":[],"links":[{"id":149186,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/of/1969/0009/report-thumb.jpg"},{"id":424516,"rank":3,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/of/1969/0009/plate-1.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":424515,"rank":2,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/1969/0009/report.pdf","linkFileType":{"id":1,"text":"pdf"}}],"country":"United States","state":"Alaska","otherGeospatial":"Nixon Fork district","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"coordinates\": [\n [\n [\n -156.21098975436422,\n 64.39363688486736\n ],\n [\n -156.0545619009912,\n 64.39363688486736\n ],\n [\n -156.0545619009912,\n 64.40237470471484\n ],\n [\n -156.21098975436422,\n 64.40237470471484\n ],\n [\n -156.21098975436422,\n 64.39363688486736\n ]\n ]\n ],\n \"type\": \"Polygon\"\n }\n },\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"coordinates\": [\n [\n [\n -158.14993847514128,\n 64.4117874414261\n ],\n [\n -158.14993847514128,\n 63.40759602117143\n ],\n [\n -150.94307945964977,\n 63.40759602117143\n ],\n [\n -150.94307945964977,\n 64.4117874414261\n ],\n [\n -158.14993847514128,\n 64.4117874414261\n ]\n ]\n ],\n \"type\": \"Polygon\"\n }\n }\n ]\n}","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4ac9e4b07f02db67c2e1","contributors":{"authors":[{"text":"Anderson, Lennart A.","contributorId":106111,"corporation":false,"usgs":true,"family":"Anderson","given":"Lennart","email":"","middleInitial":"A.","affiliations":[],"preferred":false,"id":178293,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Reed, Bruce L.","contributorId":19928,"corporation":false,"usgs":true,"family":"Reed","given":"Bruce","email":"","middleInitial":"L.","affiliations":[],"preferred":false,"id":178294,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Johnson, Gordon R.","contributorId":90725,"corporation":false,"usgs":true,"family":"Johnson","given":"Gordon","email":"","middleInitial":"R.","affiliations":[],"preferred":false,"id":178295,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}} ,{"id":55914,"text":"ofr69173 - 1969 - Water temperatures in the Columbia River basin, water year 1968","interactions":[{"subject":{"id":55914,"text":"ofr69173 - 1969 - Water temperatures in the Columbia River basin, water year 1968","indexId":"ofr69173","publicationYear":"1969","noYear":false,"title":"Water temperatures in the Columbia River basin, water year 1968"},"predicate":"SUPERSEDED_BY","object":{"id":3632,"text":"cir551 - 1968 - Water temperatures in the lower Columbia River","indexId":"cir551","publicationYear":"1968","noYear":false,"title":"Water temperatures in the lower Columbia River"},"id":1}],"supersededBy":{"id":3632,"text":"cir551 - 1968 - Water temperatures in the lower Columbia River","indexId":"cir551","publicationYear":"1968","noYear":false,"title":"Water temperatures in the lower Columbia River"},"lastModifiedDate":"2012-02-02T00:12:20","indexId":"ofr69173","displayToPublicDate":"1994-01-01T00:00:00","publicationYear":"1969","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":330,"text":"Open-File Report","code":"OFR","onlineIssn":"2331-1258","printIssn":"0196-1497","active":true,"publicationSubtype":{"id":5}},"seriesNumber":"69-173","title":"Water temperatures in the Columbia River basin, water year 1968","language":"ENGLISH","doi":"10.3133/ofr69173","usgsCitation":"Moore, A., 1969, Water temperatures in the Columbia River basin, water year 1968: U.S. Geological Survey Open-File Report 69-173, 17 p., 18 figs., https://doi.org/10.3133/ofr69173.","productDescription":"17 p., 18 figs.","costCenters":[],"links":[{"id":184506,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/usgs_thumb.jpg"}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e49f4e4b07f02db5f00a3","contributors":{"authors":[{"text":"Moore, A.M.","contributorId":87909,"corporation":false,"usgs":true,"family":"Moore","given":"A.M.","email":"","affiliations":[],"preferred":false,"id":254466,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":67927,"text":"ha401 - 1969 - Hurricane Camille tidal floods of August 1969 along the Gulf Coast, Gulfport NW quadrangle, Mississippi","interactions":[],"lastModifiedDate":"2012-02-10T00:11:21","indexId":"ha401","displayToPublicDate":"1994-01-01T00:00:00","publicationYear":"1969","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":318,"text":"Hydrologic Atlas","code":"HA","active":false,"publicationSubtype":{"id":5}},"seriesNumber":"401","title":"Hurricane Camille tidal floods of August 1969 along the Gulf Coast, Gulfport NW quadrangle, Mississippi","language":"ENGLISH","doi":"10.3133/ha401","usgsCitation":"Wilson, K., and Hudson, J.W., 1969, Hurricane Camille tidal floods of August 1969 along the Gulf Coast, Gulfport NW quadrangle, Mississippi: U.S. Geological Survey Hydrologic Atlas 401, 1 map :col. ;on sheet 76 x 84 cm., folded in envelope 30 x 24 cm., https://doi.org/10.3133/ha401.","productDescription":"1 map :col. ;on sheet 76 x 84 cm., folded in envelope 30 x 24 cm.","costCenters":[],"links":[{"id":187692,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/usgs_thumb.jpg"},{"id":89124,"rank":400,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/ha/401/plate-1.pdf","linkFileType":{"id":1,"text":"pdf"}}],"scale":"24000","geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ -89.36749999999999,30.3675 ], [ -89.36749999999999,30.5 ], [ -89.25,30.5 ], [ -89.25,30.3675 ], [ -89.36749999999999,30.3675 ] ] ] } } ] }","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a52e4b07f02db62a4c0","contributors":{"authors":[{"text":"Wilson, K. V.","contributorId":51715,"corporation":false,"usgs":true,"family":"Wilson","given":"K. V.","affiliations":[],"preferred":false,"id":277339,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Hudson, James W.","contributorId":36183,"corporation":false,"usgs":true,"family":"Hudson","given":"James","email":"","middleInitial":"W.","affiliations":[],"preferred":false,"id":277338,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}} ,{"id":14544,"text":"ofr69147 - 1969 - Geology of the Reventado River Watershed, Costa Rica, Part A, General geology","interactions":[],"lastModifiedDate":"2025-06-17T14:50:19.100869","indexId":"ofr69147","displayToPublicDate":"1994-01-01T00:00:00","publicationYear":"1969","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":330,"text":"Open-File Report","code":"OFR","onlineIssn":"2331-1258","printIssn":"0196-1497","active":true,"publicationSubtype":{"id":5}},"seriesNumber":"69-147","title":"Geology of the Reventado River Watershed, Costa Rica, Part A, General geology","docAbstract":"Irazu volcano, a large composite cone, consists of interbedded lava flows, lahars, and ash beds. This rock sequence, named the Irazil Group, has been divided into four formations; from the base: Reventado Formation, Sapper Formation, Birris Formation, and Cervantes Formation. Only the Reventado and Sapper Formations crop out in the Reventado watershed. The Reventado Formation consists of at least four widespread medium-gray finely prophyritic lava flows and interbedded lahar and some ash. Where not excessively jointed, lava flows within the formation are structurally sound and generally fresh. The Sapper Formation also consists of interbedded lava, lahar, and ash; lavas are black dense and coarsely porphyritic and in the middle part of the watershed are structurally sound if not excessively jointed. In the upper part of the watershed Sapper lavas are deeply altered, pyritic and structurally unsound.
At least three major inactive and six major active landslides have been recognized in the Reventado watershed, all apparently in the Sapper Formation. Mudflows in the Reventado watershed have been supplied with debris from the caving of oversteepened stream banks and to a lesser extent from the active landslides.
","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/ofr69147","usgsCitation":"Krushensky, R., 1969, Geology of the Reventado River Watershed, Costa Rica, Part A, General geology: U.S. Geological Survey Open-File Report 69-147, Report: i, 19 p.; 1 Plate: 25.35 x 35.88 inches, https://doi.org/10.3133/ofr69147.","productDescription":"Report: i, 19 p.; 1 Plate: 25.35 x 35.88 inches","costCenters":[],"links":[{"id":43222,"rank":2,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/of/1969/0147/plate-1.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":146595,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/of/1969/0147/report-thumb.jpg"},{"id":490833,"rank":3,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/1969/0147/report.pdf","linkFileType":{"id":1,"text":"pdf"}}],"scale":"25000","country":"Costa Rica","geographicExtents":"{\"type\":\"FeatureCollection\",\"features\":[{\"type\":\"Feature\",\"geometry\":{\"type\":\"Polygon\",\"coordinates\":[[[-82.96578,8.22503],[-83.50844,8.44693],[-83.71147,8.65684],[-83.59631,8.83044],[-83.63264,9.05139],[-83.90989,9.2908],[-84.3034,9.48735],[-84.64764,9.61554],[-84.71335,9.90805],[-84.97566,10.08672],[-84.91137,9.79599],[-85.11092,9.55704],[-85.33949,9.83454],[-85.66079,9.93335],[-85.79744,10.13489],[-85.79171,10.43934],[-85.65931,10.75433],[-85.94173,10.89528],[-85.71254,11.08844],[-85.56185,11.21712],[-84.903,10.9523],[-84.67307,11.08266],[-84.35593,10.99923],[-84.19018,10.79345],[-83.89505,10.72684],[-83.65561,10.93876],[-83.40232,10.39544],[-83.01568,9.99298],[-82.5462,9.56613],[-82.93289,9.47681],[-82.92715,9.07433],[-82.71918,8.92571],[-82.86866,8.80727],[-82.82977,8.6263],[-82.91318,8.42352],[-82.96578,8.22503]]]},\"properties\":{\"name\":\"Costa Rica\"}}]}","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4acce4b07f02db67e7a4","contributors":{"authors":[{"text":"Krushensky, R.D.","contributorId":94648,"corporation":false,"usgs":true,"family":"Krushensky","given":"R.D.","affiliations":[],"preferred":false,"id":169623,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":68029,"text":"ha334 - 1969 - Ground-water resources of the St. James area, South-central Minnesota","interactions":[],"lastModifiedDate":"2018-03-19T11:14:47","indexId":"ha334","displayToPublicDate":"1994-01-01T00:00:00","publicationYear":"1969","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":318,"text":"Hydrologic Atlas","code":"HA","active":false,"publicationSubtype":{"id":5}},"seriesNumber":"334","title":"Ground-water resources of the St. James area, South-central Minnesota","docAbstract":"The purpose of this investigation was to evaluate the quality and quantity of the ground-water resources in the area of St. James, Minnesota. St. James is located in the center of Watonwan County in south-central Minnesota. The area is covered by a thick layer of glacial drift which is underlain by Cretaceous, Cambrian, and Precambrian rocks. St. James presently obtains its water supply from two aquifers. One is a Cretaceous sandstone 160 feet below the surface, in which two wells are completed. This aquifer yields abundant water but it is of poor quality and is expensive to treat. The second source, tapped by three municipal wells, is a surficial sand and gravel deposit less than 40 feet thick at the well field. This aquifer produces water of better quality, but its extent and capacity are not known. There are other wells in the area completed at depths ranging from 15 to 500 feet.
","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Washington, D.C.","doi":"10.3133/ha334","collaboration":"Prepared in cooperation with the Minnesota Department of Conservation Division of Waters, Soils, and Mineral and the City of St. James, Minnesota","usgsCitation":"Ropes, L., 1969, Ground-water resources of the St. James area, South-central Minnesota: U.S. Geological Survey Hydrologic Atlas 334, Plate: 28.5 x 39.5 inches, https://doi.org/10.3133/ha334.","productDescription":"Plate: 28.5 x 39.5 inches","onlineOnly":"N","additionalOnlineFiles":"N","costCenters":[{"id":392,"text":"Minnesota Water Science Center","active":true,"usgs":true}],"links":[{"id":185715,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/usgs_thumb.jpg"},{"id":89273,"rank":400,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/ha/334/plate-1.pdf","linkFileType":{"id":1,"text":"pdf"}}],"scale":"62500","country":"United States","state":"Minnesota","city":"St. James","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -94.71519470214844,\n 43.94636115619796\n ],\n [\n -94.71519470214844,\n 44.09177709435134\n ],\n [\n -94.52602386474608,\n 44.09177709435134\n ],\n [\n -94.52602386474608,\n 43.94636115619796\n ],\n [\n -94.71519470214844,\n 43.94636115619796\n ]\n ]\n ]\n }\n }\n ]\n}","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a96e4b07f02db65a699","contributors":{"authors":[{"text":"Ropes, L.H.","contributorId":37824,"corporation":false,"usgs":true,"family":"Ropes","given":"L.H.","affiliations":[],"preferred":false,"id":277526,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":15393,"text":"ofr69202 - 1969 - Cretaceous sedimentation and tectonism in the southeastern Kaiparowits region, Utah","interactions":[],"lastModifiedDate":"2025-07-28T17:44:06.445282","indexId":"ofr69202","displayToPublicDate":"1994-01-01T00:00:00","publicationYear":"1969","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":330,"text":"Open-File Report","code":"OFR","onlineIssn":"2331-1258","printIssn":"0196-1497","active":true,"publicationSubtype":{"id":5}},"seriesNumber":"69-202","title":"Cretaceous sedimentation and tectonism in the southeastern Kaiparowits region, Utah","docAbstract":"Upper Cretaceous strata in the southeastern Kaiparowits region of south-central Utah consist of approximately 3,500 feet of interfingering sandstone, mudstone, shale, and coal in the Dakota Formation (oldest), Tropic Shale, Straight Cliffs Formation, and Wahweap Formation (youngest). The formations consist of several depositional facies that can be recognized by characteristic lithologies bedding structures, and fossils; these are the alluvial plain, deltaic plain, lagoonal-paludal, barrier sandstone, and offshore marine facies. The distribution of facies clearly defines the paleogeography of the region during several cycles of marine transgression and regression. The nonmarine beds were deposited on a broad alluvial coastal plain that was bordered on the west and southwest by highlands and on the east and northeast by the Western Interior seaway. The marine beds were deposited whenever the seaway advanced into or across the region. \r\n\r\nThe Dakota Formation and the lower part of the Tropic Shale were deposited in nonmarine and marine environments, while the shoreline advanced generally westward across the region. The middle and upper part of the Tropic Shale and the Tibbet Canyon and Smoky Hollow Members of the Straight Cliffs Formation were deposited in marine and nonmarine environments when the seaway had reached its greatest areal extent and began a gradual northeastward withdrawal. An unconformity at the top of the Smoky Hollow represents a period of erosion and possibly nondeposition before deposition of the John Henry Member of the Straight Cliffs. \r\n\r\nThe John Henry Member grades from nonmarine in the southwest to predominantly marine in the northeast, and was deposited during two relatively minor cycles of transgression and regression. The Drip Tank Member at the top of the Straight Cliffs Formation is a widespread sandstone unit deposited mainly in fluvial environments. Some of the beds in the northeastern part of the region were probably deposited in marine waters during the final incursion of the seaway into the Kaiparowits region. The overlying Wahweap Formation was deposited in nonmarine environments. Slight but continued tectonism during Late Cretaceous time is indicated by lateral changes of facies and thickness variations that coincide at least partly with present structures. These criteria indicate that Laramide tectonism consisted of two phases. An early phase that lasted from about late Albian to late Campanian time included regional subsidence, basin downwarping, and movement on local folds and faults. A later phase that lasted from late Campanian to about late Paleocene time included regional uplift, monoclinal flexing, and probable new faulting, as well as continued basin downwarping and movement on local folds and probably on the older faults. \r\n\r\nThe principal economic resource in the Kaiparowits region is bituminous or subbituminous coal in the john Henry Member. Because basin downwarping and movement on local folds occurred during deposition, the thicker and more continuous coal beds are in the ancestral synclines and tile deeper part of the structural basin. Presently indicated resources total 7.3 billion tons, but considerably larger quantities are probably present in the unexplored parts of the region. Several potential resources include ground water, titaniferous sandstone, and possibly oil and gas.","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/ofr69202","usgsCitation":"Peterson, F., 1969, Cretaceous sedimentation and tectonism in the southeastern Kaiparowits region, Utah: U.S. Geological Survey Open-File Report 69-202, Report: 259 p.; 21 Plates: 56.21 x 22.56 inches or smaller, https://doi.org/10.3133/ofr69202.","productDescription":"Report: 259 p.; 21 Plates: 56.21 x 22.56 inches or smaller","costCenters":[],"links":[{"id":44296,"rank":9,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/of/1969/0202/plate-07.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":44295,"rank":8,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/of/1969/0202/plate-06.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":44294,"rank":7,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/of/1969/0202/plate-05.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":44293,"rank":6,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/of/1969/0202/plate-04.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":44292,"rank":5,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/of/1969/0202/plate-03.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":44291,"rank":4,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/of/1969/0202/plate-02.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":44290,"rank":3,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/of/1969/0202/plate-01.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":44311,"rank":2,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/1969/0202/report.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":44310,"rank":23,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/of/1969/0202/plate-21.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":147460,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/of/1969/0202/report-thumb.jpg"},{"id":493036,"rank":24,"type":{"id":36,"text":"NGMDB Index Page"},"url":"https://ngmdb.usgs.gov/Prodesc/proddesc_8390.htm","linkFileType":{"id":5,"text":"html"}},{"id":44309,"rank":22,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/of/1969/0202/plate-20.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":44301,"rank":14,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/of/1969/0202/plate-12.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":44308,"rank":21,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/of/1969/0202/plate-19.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":44307,"rank":20,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/of/1969/0202/plate-18.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":44306,"rank":19,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/of/1969/0202/plate-17.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":44305,"rank":18,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/of/1969/0202/plate-16.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":44304,"rank":17,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/of/1969/0202/plate-15.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":44303,"rank":16,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/of/1969/0202/plate-14.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":44302,"rank":15,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/of/1969/0202/plate-13.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":44300,"rank":13,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/of/1969/0202/plate-11.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":44299,"rank":12,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/of/1969/0202/plate-10.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":44298,"rank":11,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/of/1969/0202/plate-09.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":44297,"rank":10,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/of/1969/0202/plate-08.pdf","linkFileType":{"id":1,"text":"pdf"}}],"country":"United States","state":"Utah","otherGeospatial":"southeastern Kaiparowits region","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"coordinates\": [\n [\n [\n -111.75,\n 37.5\n ],\n [\n -111.75,\n 37\n ],\n [\n -110.957,\n 37\n ],\n [\n -110.957,\n 37.5\n ],\n [\n -111.75,\n 37.5\n ]\n ]\n ],\n \"type\": \"Polygon\"\n }\n }\n ]\n}","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4ad5e4b07f02db6833a0","contributors":{"authors":[{"text":"Peterson, Fred fpeterson@usgs.gov","contributorId":1309,"corporation":false,"usgs":true,"family":"Peterson","given":"Fred","email":"fpeterson@usgs.gov","affiliations":[],"preferred":true,"id":171062,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":34201,"text":"b1274M - 1969 - Paleocene and lower Eocene units in the southern part of the Piceance Creek basin, Colorado","interactions":[],"lastModifiedDate":"2023-09-14T20:02:11.515338","indexId":"b1274M","displayToPublicDate":"1994-01-01T00:00:00","publicationYear":"1969","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":306,"text":"Bulletin","code":"B","active":false,"publicationSubtype":{"id":5}},"seriesNumber":"1274","chapter":"M","title":"Paleocene and lower Eocene units in the southern part of the Piceance Creek basin, Colorado","docAbstract":"No abstract available.
","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/b1274M","usgsCitation":"Donnell, J., 1969, Paleocene and lower Eocene units in the southern part of the Piceance Creek basin, Colorado: U.S. Geological Survey Bulletin 1274, iii, 18 p., https://doi.org/10.3133/b1274M.","productDescription":"iii, 18 p.","costCenters":[],"links":[{"id":420804,"rank":3,"type":{"id":36,"text":"NGMDB Index Page"},"url":"https://ngmdb.usgs.gov/Prodesc/proddesc_92632.htm","linkFileType":{"id":5,"text":"html"}},{"id":163566,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/bul/1274m/report-thumb.jpg"},{"id":96278,"rank":2,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/bul/1274m/report.pdf","linkFileType":{"id":1,"text":"pdf"}}],"country":"United States","state":"Colorado","otherGeospatial":"Piceance Creek basin","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"coordinates\": [\n [\n [\n -109.06,\n 40.3689\n ],\n [\n -109.06,\n 38.8414\n ],\n [\n -107.6986,\n 38.8414\n ],\n [\n -107.6986,\n 40.3689\n ],\n [\n -109.06,\n 40.3689\n ]\n ]\n ],\n \"type\": \"Polygon\"\n }\n }\n ]\n}","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4ae4e4b07f02db689d3b","contributors":{"authors":[{"text":"Donnell, John R.","contributorId":84330,"corporation":false,"usgs":true,"family":"Donnell","given":"John R.","affiliations":[],"preferred":false,"id":212603,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":14767,"text":"ofr69156 - 1969 - Continuous seismic profiling investigation of the southern Oregon continental shelf between Cape Blanco and Coos Bay","interactions":[],"lastModifiedDate":"2012-02-02T00:07:04","indexId":"ofr69156","displayToPublicDate":"1994-01-01T00:00:00","publicationYear":"1969","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":330,"text":"Open-File Report","code":"OFR","onlineIssn":"2331-1258","printIssn":"0196-1497","active":true,"publicationSubtype":{"id":5}},"seriesNumber":"69-156","title":"Continuous seismic profiling investigation of the southern Oregon continental shelf between Cape Blanco and Coos Bay","language":"ENGLISH","publisher":"U.S. Geological Survey],","doi":"10.3133/ofr69156","usgsCitation":"Mackay, A.J., 1969, Continuous seismic profiling investigation of the southern Oregon continental shelf between Cape Blanco and Coos Bay: U.S. Geological Survey Open-File Report 69-156, 129 p. maps ;30 cm., https://doi.org/10.3133/ofr69156.","productDescription":"129 p. maps ;30 cm.","costCenters":[],"links":[{"id":148782,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/of/1969/0156/report-thumb.jpg"},{"id":43541,"rank":400,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/of/1969/0156/plate-1.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":43542,"rank":300,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/1969/0156/report.pdf","linkFileType":{"id":1,"text":"pdf"}}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4b05e4b07f02db699e17","contributors":{"authors":[{"text":"Mackay, Angus James","contributorId":82713,"corporation":false,"usgs":true,"family":"Mackay","given":"Angus","email":"","middleInitial":"James","affiliations":[],"preferred":false,"id":169967,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":14768,"text":"ofr69160 - 1969 - Metallic mineral resources map of the McCarthy quadrangle, Alaska","interactions":[{"subject":{"id":14768,"text":"ofr69160 - 1969 - Metallic mineral resources map of the McCarthy quadrangle, Alaska","indexId":"ofr69160","publicationYear":"1969","noYear":false,"title":"Metallic mineral resources map of the McCarthy quadrangle, Alaska"},"predicate":"SUPERSEDED_BY","object":{"id":60175,"text":"mf395 - 1972 - Metallic mineral resources map of the McCarthy Quadrangle, Alaska","indexId":"mf395","publicationYear":"1972","noYear":false,"title":"Metallic mineral resources map of the McCarthy Quadrangle, Alaska"},"id":1}],"supersededBy":{"id":60175,"text":"mf395 - 1972 - Metallic mineral resources map of the McCarthy Quadrangle, Alaska","indexId":"mf395","publicationYear":"1972","noYear":false,"title":"Metallic mineral resources map of the McCarthy Quadrangle, Alaska"},"lastModifiedDate":"2012-02-02T00:07:04","indexId":"ofr69160","displayToPublicDate":"1994-01-01T00:00:00","publicationYear":"1969","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":330,"text":"Open-File Report","code":"OFR","onlineIssn":"2331-1258","printIssn":"0196-1497","active":true,"publicationSubtype":{"id":5}},"seriesNumber":"69-160","title":"Metallic mineral resources map of the McCarthy quadrangle, Alaska","language":"ENGLISH","publisher":"U.S. Geological Survey],","doi":"10.3133/ofr69160","usgsCitation":"MacKevett, E.M., and Cobb, E.H., 1969, Metallic mineral resources map of the McCarthy quadrangle, Alaska: U.S. Geological Survey Open-File Report 69-160, 8 p. :maps ;27 cm., https://doi.org/10.3133/ofr69160.","productDescription":"8 p. :maps ;27 cm.","costCenters":[],"links":[{"id":111661,"rank":100,"type":{"id":15,"text":"Index Page"},"url":"https://www.dggs.dnr.state.ak.us/pubs/id/10814","linkFileType":{"id":5,"text":"html"}},{"id":148783,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/usgs_thumb.jpg"}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a4de4b07f02db6275b3","contributors":{"authors":[{"text":"MacKevett, E. 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