Recurrent geothermally induced debris avalanches on Boulder Glacier, Mount Baker, Washington
David Frank, Austin Post, Jules D. Friedman
1975, Journal of Research of the U.S. Geological Survey (3) 77-87
Avalanches of snow, firn and hydrothermally altered rock and mud have been released six times since 1958 from Sherman Peak, part of the crater rim south of the main summit of Mount Baker, Wash. The avalanches traveled nearly identical paths 2.0-2.6 km down Boulder Glacier on the east slope of...
Basic ground-water data for the Moscow Basin, Idaho
Emerson Gerald Crosthwaite
1975, Report
The Moscow basin encompasses an area of 65 square miles (170 square kilometres) in Latah County and borders the Idaho Washington State line (fig. 1). The basin is along the eastern edge of the "Palouse Country" where the rolling Palouse hills merge with the low mountains of northern Idaho. It...
Dynamics of turbidity plumes in Lake Ontario
Edward J. Pluhowski
1975, Open-File Report 75-249
Large-turbidity features along the 275-kilometre long south shore of Lake Ontario were analyzed using LANDSAT-1 images. The ESIAC system developed by the Stanford Research Institute, was used to obtain enlargements and false-color renditions of turbidity plumes. After projection on a video screen, individual turbidity features were analyzed, mapped, and photographed.The...
Precambrian and Lower Ordovician rocks in east-central Idaho
Edward Thompson Ruppel, R. J. Ross Jr., David Schleicher
1975, Professional Paper 889
No abstract available....
Principal facts for gravity stations in the Rat Islands and Delarof Islands and Tanaga Island, Alaska
D.L. Healey
1975, Report
Gravity observations were made both east and west of the international dateline in the Aleutian Islands during 1970. A total of 280 gravity observations were made in the Rat Islands to the west and the Delarof Islands and Tanaga Island to the east. The principal facts and explanatory information for...
Sandrewia, n. gen., a problematical plant from the Lower Permian of Texas and Kansas
S.H. Mamay
1975, Review of Palaeobotany and Palynology (20) 75-83
Sandrewia, n. gen., monotypified by S. texana, n. sp., is a plant from Lower Permian beds of north-central Texas and east-central Kansas. It is characterized by stout axes with spirally disposed, laxly inserted, petiolate leaves; the laminae are broadly flabelliform with coarse, open venation....
Vertical crustal movements preceding and accompanying the San Fernando earthquake of February 9, 1971: A summary
Robert O. Castle, Jack P. Church, Michael R. Elliot, Nancy L. Morrison
1975, Tectonophysics (29) 127-140
Comparative elevations referred chiefly to a tidal bench mark with a history of relatively positive movement show that much of the Transverse Ranges of southern California sustained major changes in elevation both before and in association with the ML 6.4 San Fernando earthquake of February 9, 1971. Preseismic changes in...
A spring aerial census of red foxes in North Dakota
A.B. Sargeant, W.K. Pfeifer, S.H. Allen
1975, Journal of Wildlife Management (39) 30-39
Systematic aerial searches were flown on transects to locate adult red foxes (Vulpes vulpes), pups, and rearing dens on 559.4 km2 (six townships) in eastern North Dakota during mid-May and mid-June each year from 1969 through 1973 and during mid-April 1969 and early May 1970. The combined sightings of foxes...
Geothermal significance of eastward increase in age of upper Cenozoic rhyolitic domes in southeastern Oregon
Norman S. MacLeod, George Walton Walker, Edwin H. McKee
1975, Open-File Report 75-348
Rhyolitic domes, flows, and ash-flow tuffs of Miocene to Holocene age form an important part of the thick sequence of Cenozoic volcanic rocks that cover southeastern Oregon east of the Cascade Range. Rhyolitic domes 11-17 m.y. old are widespread, particularly in the easternmost part of the state and in adjacent...
Digital-model study of ground-water hydrology, Columbia Basin Irrigation Project Area, Washington
H.H. Tanaka, A. J. Hansen Jr., J.A. Skrivan
1974, Water Supply Bulletin 40
Since 1952 water diverted from the Columbia River at Grand Coulee Dam has been used to irrigate parts of the Columbia Basin Irrigation Project area in eastern Washington, and as a result ground-water levels generally have risen in the area. The rapid increases in ground-water inflow, outflow, and storage from...
The availability of water in the Little Lost River Basin, Idaho
Alfred Clebsch Jr., H.A. Waite, S.O. Decker
1974, Water Information Bulletin 37
The Little Lost River basin, an elongated, northwest trending structurally formed intermontane valley, drains an area of about 900 square miles into a closed depression near the northwestern edge of the Snake River Plain. Runoff from snowmelt and rainfall on the Lost River Range on the west and the Lemhi...
Geology and mineral deposits of Churchill County, Nevada
Ronald Willden, Robert C. Speed
1974, NBMG Bulletin 83
Churchill County, in west-central Nevada, is an area of varied topography and geology that has had a rather small total mineral production. The western part of the county is dominated by the broad low valley of the Carson Sink, which is underlain by deposits of Lake Lahontan. The bordering mountain...
Structural framework of United States Atlantic outer continental shelf north of Cape Hatteras
R.E. Mattick, R. Q. Foote, N. L. Weaver, M. S. Grim
1974, American Association of Petroleum Geologists Bulletin (58) 1179-1190
To assess the area’s hydrocarbon potential, regional geologic and geophysical studies are being conducted by the U.S. Geological Survey to determine the structural framework of the United States Atlantic outer continental shelf (AOCS) north of Cape Hatteras. Preliminary interpretations of geophysical data suggest that the buried ridge under the eastern...
Progress report on the North American Breeding Bird Survey
C.S. Robbins, W.T. Van Velzen
1974, Acta Ornithologica (14) 170-191
The Breeding Bird Survey has been monitoring bird population changes in the U.S.A. and Canada since 1966. Each cooperator makes 50 3-minute stops at 0.8-km intervals along randomly selected roadside routes in 4 to 4 1/2 hours on one morning in June of each year. Data from the 1500 to...
Residues of organochlorine pesticides, mercury, and PCB's in mourning doves from eastern United States--1970-71
J.F. Kreitzer
1974, Pesticides Monitoring Journal (7) 195-199
Mourning dove (Zenaidura macroura) breast muscle samples from birds collected in 1970-71 from Rhode Island, Pennsylvania, Maryland, Missouri, Kentucky, Virginia, Arkansas, Tennessee, North Carolina, South Carolina, Mississippi, Alabama, Georgia, Louisiana, and Florida were found to contain residues of DDT, DDE, DDD, polychlorinated biphenyls, dieldrin, mirex, mercury, and heptachlor epoxide in...
Chlorinated hydrocarbon and mercury residues in woodcock in the United States, 1970-71
D. R. Clark Jr., M. Anne Ross McLane
1974, Pesticides Monitoring Journal (8) 15-22
During Late 1970 and early 1971, 229 woodcock (Philohela minor) were collected from 23 Eastern and Midwestern States. Analyses for chlorinated hydrocarbons and mercury in these migratory birds showed generally low levels which are not considered dangerous to human consumers. In this survey, Louisiana woodcock had lower...
An Anvilian (early pleistocene) marine fauna from western Seward Peninsula, Alaska
D.M. Hopkins, R.W. Rowland, R.E. Echols, P. C. Valentine
1974, Quaternary Research (4) 441-470
Cover sediments of the York Terrace exposed near the California River, western Seward Peninsula, Alaska, yield mollusks, ostracodes, and foraminifera that lived during the Anvilian transgression of early Pleistocene age. The fossiliferous sediments lie at the inner edge of the York Terrace, a...
Water resources of the Crow River watershed, south-central Minnesota
Gerald F. Lindholm, D.F. Farrell, John O. Helgesen
1974, Hydrologic Atlas 528
The Crow River watershed, an area of about 2,760 square miles, is covered entirely by glacial deposits. A topographically high, east-west-trending end moraine divides most of the watershed into two drainage areas of approximately equal size. The North Fork Crow River drains a mixture of glacial outwash and till deposits,...
Water resources of the Blue Earth River watershed, south-central Minnesota
H.W. Anderson, D.F. Farrell, W.L. Broussard
1974, Hydrologic Atlas 525
The Blue Earth River Watershed in Minnesota includes 3,106 square miles of land surface, which varies from fairly flat to gently rolling. The drainage extends south to include an additional 450 square miles in Iowa. The western, southern, and eastern boundaries are end moraines formed by Pleistocene glaciers. Major streams...
Geologic map and sections of the Holy Cross quadrangle, Eagle, Lake, Pitkin, and Summit Counties, Colorado
Ogden Tweto, Theodore R. Brandt
1974, IMAP 830
This map was first published as a printed edition in 1974. The geologic data have now been captured digitally and are presented here along with images of the printed map sheets. The map encompasses the area of four 7.5-minute quadrangles between 39º15' and 39º 30'N and 106º15' and 106º30'W in...
Water resources of the lower St. Croix river watershed, east-central Minnesota
Gerald F. Lindholm, J. O. Helgesen, W.L. Broussard, D.F. Farrell
1974, Hydrologic Atlas 490
The lower St. Croix River watershed is an elongate area of about 930 square miles bounded on the east by the St. Croix River. The St. Croix River forms the Minnesota-Wisconsin boundary along the eastern side of the watershed. Additional drainage to the St. Croix River includes areas of about 2,500...
Reconnaissance of the upper Au Sable River a cold-water river in the north-central part of Michigan's southern peninsula
G. E. Hendrickson, C. J. Doonan
1974, Hydrologic Atlas 527
The Au Sable River is one of Michigan’s most popular trout streams and canoe trails. Its riverside campgrounds are enjoyed by thousands of campers each year, and many cabins and homes have been built on its banks. At present, interests of the different recreationists – fishermen, canoers, campers, and riverside...
Water resources of the Lower Minnesota River Watershed, south-central Minnesota
H.W. Anderson, D.F. Farrell, W.L. Broussard
1974, Hydrologic Atlas 526
The lower Minnesota River watershed, an area of 2,005 square miles, is fairly flat west of the Minnesota River, but rises to a hilly ridge along the east side of the watershed. Most of the area is covered by ground moraine cut deeply by the Minnesota River and less deeply...
Availability of ground water for irrigation, municipal, or industrial use in the Navajo and Hopi Indian Reservations, Arizona, New Mexico, and Utah
E. H. McGavock, R. J. Edmonds
1974, IMAP 878
The Navajo and Hopi Indian reservations are located mainly in northeastern Arizona, although the Navajo Indian reservation extends into northwestern New Mexico and southeastern Utah (see location map). The area of this report coincides with the areas of the Navajo and Hopi Indian reservations except in part of New Mexico,...
Seismotectonic map of the Eastern United States
Jarvis B. Hadley, James F. Devine
1974, Miscellaneous Field Studies Map 620
The purpose of a seismotectonic map is to describe the distribution of historic seismic activity in relation to geologic structures and tectonic provinces and to identify structures or regions that are characterized by consistent relations between seismic activity and structural features. An experimental study to test the feasibility of preparing...
