The Pecos Wilderness covers approximately 348 sq mi in the Santa Fe and Carson National Forests, north-central New Mexico. The area investigated includes the wilderness and approximately 150 sq mi of adjacent territory. The additional area covers several RARE II Road less Areas that were classified by the U.S. Forest Service in 1979 as Proposed Wilderness and Further Planning Areas, but were not incorporated in the Pecos Wilderness by the New Mexico Wilderness Bill. For the purpose of this report the entire area is called the study area.
\nThe study area is at the southern end of the Sangre de Cristo Range. It is characterized by an axial line of alpine peaks that rise to more than 13,000 ft, flanked on the west and north by heavily wooded ridges and canyons that drain to the Rio Grande Valley, and on the southeast by a high dissected plateau of meadows and forest. The plateau is dissected by deep canyons of the Pecos River and its tributaries, and is bounded on the east by a scarp of about 3,000 ft. Partly forested ranch land lies below the base of the scarp to the east, and beyond that is prai-rie of the Great Plains.
\nThis map is based on geologic and geochemical studies and mine and prospect investigations that were done principally in 1977 and 1979-80 (U.S. Geological Survey, U.S. Bureau of Mines, and New Mexico Bureau of Mines and Mineral Resources, 1980; Lane, 1980; Moench and Robertson, 1980; Moench, Robertson, and Sutley, 1980; Moench and Erickson, 1980; Moench, Grambling, and Robertson, 1988; Moench, Sutley, and Erickson, 1988; Erickson, Sutley, and Moench, 1986). An aeromagnetic survey covering almost all of the Pecos Wilderness was flown in 1970. The resulting aeromagnetic map was published by Moench and others (1980) and interpreted in that report by Lindreth Cordell. Cordell found no correlation between magnetic features and geologic terraines having mineral resource potential.
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This instrument measures a 1- to 70-ft range of water levels. These water level data can be retrieved through use of a commercially available portable microcomputer. The R200 Downhole Recorder was developed at the U. S. Geological Survey 's Hydrologic Instrumentation Facility, Stennis Space Center, Mississippi. This operating manual describes the R200 Downhole Recorder, provides initial set-up instructions, and gives directions for on-site operation. Design specifications and routine maintenance steps are included. The R200 data-retriever program is a user-friendly, menu-driven program. The manual guides the user through the procedures required to perform specific operations. Numerous screens are reproduced in the text with a discussion of user input for desired responses. Help is provided for specific problems. 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A.","contributorId":99951,"corporation":false,"usgs":true,"family":"Pierce","given":"H.","email":"","middleInitial":"A.","affiliations":[],"preferred":false,"id":171115,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Hoover, Donald B.","contributorId":89877,"corporation":false,"usgs":true,"family":"Hoover","given":"Donald","email":"","middleInitial":"B.","affiliations":[],"preferred":false,"id":171114,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}} ,{"id":15078,"text":"ofr88321 - 1988 - Hydrologic monitoring in the area of the Tennessee-Tombigbee waterway, Mississippi-Alabama, fiscal year 1986","interactions":[],"lastModifiedDate":"2012-02-02T00:07:04","indexId":"ofr88321","displayToPublicDate":"1994-01-01T00:00:00","publicationYear":"1988","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":"88-321","title":"Hydrologic monitoring in the area of the Tennessee-Tombigbee waterway, Mississippi-Alabama, fiscal year 1986","language":"ENGLISH","publisher":"U.S. Geological Survey,","doi":"10.3133/ofr88321","usgsCitation":"Morris, F., 1988, Hydrologic monitoring in the area of the Tennessee-Tombigbee waterway, Mississippi-Alabama, fiscal year 1986: U.S. Geological Survey Open-File Report 88-321, 483 p. :ill., maps ;28 cm., https://doi.org/10.3133/ofr88321.","productDescription":"483 p. :ill., maps ;28 cm.","costCenters":[],"links":[{"id":148726,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/of/1988/0321/report-thumb.jpg"},{"id":43991,"rank":300,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/1988/0321/report.pdf","linkFileType":{"id":1,"text":"pdf"}}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a1ae4b07f02db6065b6","contributors":{"authors":[{"text":"Morris, Fred III","contributorId":103693,"corporation":false,"usgs":true,"family":"Morris","given":"Fred","suffix":"III","email":"","affiliations":[],"preferred":false,"id":170530,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":60354,"text":"mf2016 - 1988 - Geologic map of the Redmond Quadrangle, King County, Washington","interactions":[],"lastModifiedDate":"2012-02-10T00:10:18","indexId":"mf2016","displayToPublicDate":"1994-01-01T00:00:00","publicationYear":"1988","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":325,"text":"Miscellaneous Field Studies Map","code":"MF","active":false,"publicationSubtype":{"id":5}},"seriesNumber":"2016","title":"Geologic map of the Redmond Quadrangle, King County, Washington","language":"ENGLISH","doi":"10.3133/mf2016","usgsCitation":"Minard, J.P., and Booth, D.B., 1988, Geologic map of the Redmond Quadrangle, King County, Washington: U.S. Geological Survey Miscellaneous Field Studies Map 2016, 1 map ;58 x 39 cm., on sheet 111 x 75 cm., folded in envelope 31 x 24 cm., https://doi.org/10.3133/mf2016.","productDescription":"1 map ;58 x 39 cm., on sheet 111 x 75 cm., folded in envelope 31 x 24 cm.","costCenters":[],"links":[{"id":105180,"rank":700,"type":{"id":15,"text":"Index Page"},"url":"https://ngmdb.usgs.gov/Prodesc/proddesc_5609.htm","linkFileType":{"id":5,"text":"html"},"description":"5609"},{"id":182892,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/usgs_thumb.jpg"}],"scale":"0","geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ -122.11749999999999,47.6175 ], [ -122.11749999999999,47.75 ], [ -122,47.75 ], [ -122,47.6175 ], [ -122.11749999999999,47.6175 ] ] ] } } ] }","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4aefe4b07f02db6913e0","contributors":{"authors":[{"text":"Minard, J. P.","contributorId":8065,"corporation":false,"usgs":true,"family":"Minard","given":"J.","email":"","middleInitial":"P.","affiliations":[],"preferred":false,"id":263595,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Booth, D. B.","contributorId":42223,"corporation":false,"usgs":false,"family":"Booth","given":"D.","email":"","middleInitial":"B.","affiliations":[],"preferred":false,"id":263596,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}} ,{"id":58821,"text":"mf2039 - 1988 - Preliminary geologic map of the Yellowtail Dam Quadrangle, Big Horn County, Montana","interactions":[],"lastModifiedDate":"2012-02-10T00:10:16","indexId":"mf2039","displayToPublicDate":"1994-01-01T00:00:00","publicationYear":"1988","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":325,"text":"Miscellaneous Field Studies Map","code":"MF","active":false,"publicationSubtype":{"id":5}},"seriesNumber":"2039","title":"Preliminary geologic map of the Yellowtail Dam Quadrangle, Big Horn County, Montana","language":"ENGLISH","doi":"10.3133/mf2039","usgsCitation":"Agard, S., 1988, Preliminary geologic map of the Yellowtail Dam Quadrangle, Big Horn County, Montana: U.S. Geological Survey Miscellaneous Field Studies Map 2039, 1 map ;58 x 41 cm., on sheet 73 x 86 cm., folded in envelope 30 x 24 cm., https://doi.org/10.3133/mf2039.","productDescription":"1 map ;58 x 41 cm., on sheet 73 x 86 cm., folded in envelope 30 x 24 cm.","costCenters":[],"links":[{"id":105199,"rank":700,"type":{"id":15,"text":"Index Page"},"url":"https://ngmdb.usgs.gov/Prodesc/proddesc_5637.htm","linkFileType":{"id":5,"text":"html"},"description":"5637"},{"id":184584,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/usgs_thumb.jpg"}],"scale":"24000","geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ -108,45.25 ], [ -108,45.3675 ], [ -107.86749999999999,45.3675 ], [ -107.86749999999999,45.25 ], [ -108,45.25 ] ] ] } } ] }","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4abee4b07f02db674609","contributors":{"authors":[{"text":"Agard, S.S.","contributorId":28668,"corporation":false,"usgs":true,"family":"Agard","given":"S.S.","email":"","affiliations":[],"preferred":false,"id":260905,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":58814,"text":"mf2029 - 1988 - Geologic map of the Yellow Hills East Quadrangle, Washoe and Humboldt counties, Nevada","interactions":[],"lastModifiedDate":"2012-02-10T00:10:15","indexId":"mf2029","displayToPublicDate":"1994-01-01T00:00:00","publicationYear":"1988","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":325,"text":"Miscellaneous Field Studies Map","code":"MF","active":false,"publicationSubtype":{"id":5}},"seriesNumber":"2029","title":"Geologic map of the Yellow Hills East Quadrangle, Washoe and Humboldt counties, Nevada","language":"ENGLISH","doi":"10.3133/mf2029","usgsCitation":"Ach, J., 1988, Geologic map of the Yellow Hills East Quadrangle, Washoe and Humboldt counties, Nevada: U.S. Geological Survey Miscellaneous Field Studies Map 2029, 1 map ;58 x 43 cm., on sheet 81 x 66 cm., folded in envelope 25 x 32 cm., https://doi.org/10.3133/mf2029.","productDescription":"1 map ;58 x 43 cm., on sheet 81 x 66 cm., folded in envelope 25 x 32 cm.","costCenters":[],"links":[{"id":105196,"rank":700,"type":{"id":15,"text":"Index Page"},"url":"https://ngmdb.usgs.gov/Prodesc/proddesc_5628.htm","linkFileType":{"id":5,"text":"html"},"description":"5628"},{"id":184460,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/usgs_thumb.jpg"}],"scale":"24000","geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ -119.36749999999999,41.3675 ], [ -119.36749999999999,41.5 ], [ -119.25,41.5 ], [ -119.25,41.3675 ], [ -119.36749999999999,41.3675 ] ] ] } } ] }","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4ae3e4b07f02db6891d7","contributors":{"authors":[{"text":"Ach, J. A.","contributorId":31757,"corporation":false,"usgs":true,"family":"Ach","given":"J. A.","affiliations":[],"preferred":false,"id":260896,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":60236,"text":"mf2049 - 1988 - Geologic map of the Marmon Ranch Quadrangle, Cibola County, New Mexico","interactions":[],"lastModifiedDate":"2012-02-10T00:10:23","indexId":"mf2049","displayToPublicDate":"1994-01-01T00:00:00","publicationYear":"1988","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":325,"text":"Miscellaneous Field Studies Map","code":"MF","active":false,"publicationSubtype":{"id":5}},"seriesNumber":"2049","title":"Geologic map of the Marmon Ranch Quadrangle, Cibola County, New Mexico","language":"ENGLISH","doi":"10.3133/mf2049","usgsCitation":"Maxwell, C.H., 1988, Geologic map of the Marmon Ranch Quadrangle, Cibola County, New Mexico: U.S. Geological Survey Miscellaneous Field Studies Map 2049, 1 map ;58 x 48 cm., on sheet 74 x 71 cm., folded in envelope 30 x 24 cm., https://doi.org/10.3133/mf2049.","productDescription":"1 map ;58 x 48 cm., on sheet 74 x 71 cm., folded in envelope 30 x 24 cm.","costCenters":[],"links":[{"id":105205,"rank":700,"type":{"id":15,"text":"Index Page"},"url":"https://ngmdb.usgs.gov/Prodesc/proddesc_5645.htm","linkFileType":{"id":5,"text":"html"},"description":"5645"},{"id":183217,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/usgs_thumb.jpg"}],"scale":"0","geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ -107.5,34.75 ], [ -107.5,34.8675 ], [ -107.36749999999999,34.8675 ], [ -107.36749999999999,34.75 ], [ -107.5,34.75 ] ] ] } } ] }","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4afde4b07f02db696c37","contributors":{"authors":[{"text":"Maxwell, C. H.","contributorId":35343,"corporation":false,"usgs":true,"family":"Maxwell","given":"C.","email":"","middleInitial":"H.","affiliations":[],"preferred":false,"id":263362,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":35227,"text":"b1677 - 1988 - Geophysical studies to detect the Acme underground coal mine, Wyoming","interactions":[],"lastModifiedDate":"2012-02-02T00:09:36","indexId":"b1677","displayToPublicDate":"1994-01-01T00:00:00","publicationYear":"1988","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":"1677","title":"Geophysical studies to detect the Acme underground coal mine, Wyoming","language":"ENGLISH","publisher":"U.S. G.P.O.,","doi":"10.3133/b1677","usgsCitation":"Miller, C., 1988, Geophysical studies to detect the Acme underground coal mine, Wyoming: U.S. Geological Survey Bulletin 1677, iv, 27 p. :ill., maps ;28 cm., https://doi.org/10.3133/b1677.","productDescription":"iv, 27 p. :ill., maps ;28 cm.","costCenters":[],"links":[{"id":167163,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/bul/1677/report-thumb.jpg"},{"id":63107,"rank":300,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/bul/1677/report.pdf","linkFileType":{"id":1,"text":"pdf"}}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4b1ae4b07f02db6a84d2","contributors":{"authors":[{"text":"Miller, C.H.","contributorId":19148,"corporation":false,"usgs":true,"family":"Miller","given":"C.H.","email":"","affiliations":[],"preferred":false,"id":214282,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":60143,"text":"mf2019 - 1988 - Photogeologic and reconnaissance geologic map of the Garland School Quadrangle, Custer County, Montana","interactions":[],"lastModifiedDate":"2012-02-10T00:10:25","indexId":"mf2019","displayToPublicDate":"1994-01-01T00:00:00","publicationYear":"1988","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":325,"text":"Miscellaneous Field Studies Map","code":"MF","active":false,"publicationSubtype":{"id":5}},"seriesNumber":"2019","title":"Photogeologic and reconnaissance geologic map of the Garland School Quadrangle, Custer County, Montana","language":"ENGLISH","doi":"10.3133/mf2019","usgsCitation":"Luft, S.J., 1988, Photogeologic and reconnaissance geologic map of the Garland School Quadrangle, Custer County, Montana: U.S. Geological Survey Miscellaneous Field Studies Map 2019, 1 map ;58 x 40 cm., on sheet 73 x 71 cm., folded in envelope 25 x 32 cm., https://doi.org/10.3133/mf2019.","productDescription":"1 map ;58 x 40 cm., on sheet 73 x 71 cm., folded in envelope 25 x 32 cm.","costCenters":[],"links":[{"id":105183,"rank":700,"type":{"id":15,"text":"Index Page"},"url":"https://ngmdb.usgs.gov/Prodesc/proddesc_5612.htm","linkFileType":{"id":5,"text":"html"},"description":"5612"},{"id":183140,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/usgs_thumb.jpg"}],"scale":"0","geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ -106,46 ], [ -106,46.1175 ], [ -105.86749999999999,46.1175 ], [ -105.86749999999999,46 ], [ -106,46 ] ] ] } } ] }","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4adce4b07f02db686715","contributors":{"authors":[{"text":"Luft, S. J.","contributorId":95127,"corporation":false,"usgs":true,"family":"Luft","given":"S.","email":"","middleInitial":"J.","affiliations":[],"preferred":false,"id":263202,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":60206,"text":"mf2023 - 1988 - Aeromagnetic maps of the Colorado River region including the Kingman, Needles, Salton Sea, and El Centro 1 degree by 2 degrees quadrangles, California, Arizona, and Nevada","interactions":[],"lastModifiedDate":"2025-05-28T17:28:04.79816","indexId":"mf2023","displayToPublicDate":"1994-01-01T00:00:00","publicationYear":"1988","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":325,"text":"Miscellaneous Field Studies Map","code":"MF","active":false,"publicationSubtype":{"id":5}},"seriesNumber":"2023","title":"Aeromagnetic maps of the Colorado River region including the Kingman, Needles, Salton Sea, and El Centro 1 degree by 2 degrees quadrangles, California, Arizona, and Nevada","docAbstract":"Aeromagnetic data for the Colorado river region have been compiled as part of the Pacific to Arizona Crustal Experiment (PACE) Project. The data are presented here in a series of six compilations for the Kingman, Needles, Salton Sea, and El Centro 1 degree by 2 degree quadrangles, California, Arizona, and Nevada, at scales of 1:250,000 and 1:750,000. The scales and map areas are identical to those used by Mariano and others (1986) to display the Bouguer and isotatic residual gravity for this region. Data were compiled separately for the Kingman quadrangle, the Needles quadrangle, and an area covering the Salton Sea quadrangle and part of the El Centro quadrangle.
\nAeromagnetic anomalies are produced by variations in the strength and direction of the magnetic field of rocks that include magnetic minerals, commonly magnetite. Patterns of anomalies on aeromagnetic maps can reveal structures - for example, faults which have juxtaposed magnetic rocks against non-magnetic rocks, or areas of alteration where magnetic minerals have been destroyed by hydrothermal activity. Tectonic features of regional extent may not become apparent until a number of aeromagnetic surveys have been compiled and plotted at the same scale. Commonly the compilation involves piecing together data from surveys that were flown at different times with widely disparate flight specifications and data reduction procedures. The data may be compiled into a composite map, where all the pieces are plotted onto one map without regard to the difference in flight elevation and datum, or they may be compiled into a merged map, where all survey data are analytically reduced to a common flight elevation and datum, and then digitally merged at the survey boundaries. The composite map retains the original resolution of all the survey data, but computer methods to enhance regional features crossing the survey boundaries may not be applied. On the other hand, computer methods can be applied to the merged data, but the accuracy of the data may be slightly diminished.
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