Analytical results and sample locality map of stream-sediment and heavy-mineral-concentrate samples from the Snowbank Roadless Study Area, Valley and Gem Counties, Idaho
John H. Bullock Jr., H. D. King, R.T. Hopkins, J. M. Motooka, P. L. Hageman, B. H. Roushey
1991, Open-File Report 91-368-B
Geologic map of the Reno 1 degree by 2 degrees Quadrangle, Nevada and California
R. C. Greene, John H. Stewart, D. A. John, R.F. Hardyman, Norman J. Silberling, M.L. Sorenen
1991, Miscellaneous Field Studies Map 2154-A
Water Resources Research Grant Program project descriptions, fiscal year 1990
Melvin Lew, Pamela D. Murray
1991, Open-File Report 91-195
Geologic map of the Hailey 1° x 2° quadrangle, Idaho
Ronald G. Worl, T. H. Kiilsgaard, E. H. Bennett, P. K. Link, R. S. Lewis, V. E. Mitchell, K. M. Johnson, L. D. Snyder
1991, Open-File Report 91-340
No abstract available....
Location maps and list of U.S. Geological Survey reports on water resources in Alaska 1950 to 1990
E.F. Snyder
1991, Open-File Report 91-60
How to construct four paper models that describe island coral reefs
Tau Rho Alpha
1991, Open-File Report 91-131-B
Map projections
Tau Rho Alpha, Daan Strebe
1991, Open-File Report 91-553-A
The Use of heavy-mineral concentrate data to show geochemical favorability for zinc-lead-silver and copper-(cobalt) mineral occurrences in the Baird Mountains Quadrangle, northwest Alaska
R.J. Goldfarb, E. A. Bailey, P. F. Folger, J.M. Schmidt
1991, Miscellaneous Field Studies Map 2151
Depth to water in the western Snake River Plain and surrounding tributary valleys, southwestern Idaho and eastern Oregon, calculated using water levels from 1980 to 1988
Molly A. Maupin
1991, Water-Resources Investigations Report 91-4020
The vulnerability of ground water to contamination in Idaho is being assessed by the ISHW/DEQ (Idaho Department of Health and Welfare, Division of Environmental Quality), using a modified version of the Environmental Protection Agency DRASTIC methods (Allers and others, 1985). The project was designed as a technique to: (1) Assign...
Geologic map of Tecuamburro Volcano and surrounding area, Guatemala
W. A. Duffield, G.H. Wohletz, L.W. Maasen, Gabriel Dengo, Oscar Pinzon
1991, IMAP 2197
Gold, mercury, tellurium, and thallium data and sample locality map of stream-sediment samples from the Iditarod quadrangle, Alaska
David Moody Hopkins, J. E. Gray, P. L. Hageman, C. M. McDougal, K. E. Slaughter
1991, Open-File Report 91-283-A
Tectonic imbrication and foredeep development in the Penokean orogen, east-central Minnesota: An interpretation based on regional geophysics and the results of test-drilling. The Penokean orogeny in Minnesota and upper Michigan; a comparison of structural geology
D. L. Southwick, G. B. Morey, Timothy B. Holst, L. M. H. Carter
P.K. Sims, editor(s)
1991, Bulletin 1904-C,D
No abstract available....
Evaluation of selected data to assess the causes of subsidence in the Sacramento-San Joaquin Delta, California
S.A. Rojstaczer, R.E. Hamon, S. J. Deverel, C.A. Massey
1991, Open-File Report 91-193
Evaluation of metallic mineral resources and their geologic controls in the East Mojave National Scenic Area, San Bernardino County, California
Water Resources Division, U.S. Geological Survey
1991, Open-File Report 91-427
No abstract available....
Evaluation of a modified automatic sampler for the collection of water samples for analysis of trace organic compounds or suspended sediment
D. Y. Tai, M.E. Jennings, K. D. White, L.A. Garcia
1991, Open-File Report 91-469
Density and magnetic susceptibility measurements of rocks in the Wichita Uplift and Slick Hills, southwestern Oklahoma
Lee-Ann Bradley, Meridee Jones-Cecil
1991, Open-File Report 91-269
No abstract available....
Hydrogeologic data for Boone County, Arkansas
J. V. Brahana, Gerard Gonthier, L.M. Remsing
1991, Open-File Report 91-518
Public water-supply in Massachusetts, 1986
Lisa Bratton
1991, Open-File Report 91-86
National Water-Quality Assessment Program; The Lower Susquehanna River basin
K. J. Breen, R.A. Hainly, S. A. Hoffman
1991, Open-File Report 91-168
In 1991, the U.S. Geological Survey (USGS) began to implement a full-scale National Water-Quality Assessment (NAWQA) program. The three major objectives of the NAWQA program are to provide a consistent description of current waterquality conditions for a large part of the Nation's water resources, define long-term trends in water quality,...
Analytical results and sample locality map of stream-sediment, and heavy-mineral-concentrate samples from the Payette Crest, Secesh, and South Fork Roadless Study Areas, Valley and Idaho Counties, Idaho
John H. Bullock Jr., Harley D. King, R. T. Hopkins Jr., J. M. Motooka, Phil L. Hageman, B. H. Roushey
1991, Open-File Report 91-438-A
No abstract available....
Analytical results and sample locality map of volcanic rocks from the Pedregosa Mountains, Arizona
William E. Brooks, Harald Drewes
1991, Open-File Report 91-617
Geologic map of Long Island and southern and central Dall Island, southeastern Alaska
G. E. Gehrels
1991, Miscellaneous Field Studies Map 2146
A new Tolypella from the Ocean Point dinosaur locality, North Slope, Alaska, and the Late Cretaceous to Paleocene nitelloid charophytes
Monique Feist, Elisabeth M. Brouwers
1991, Bulletin 1990-F
Analytical results for rock samples collected from the Mercur and Ophir mining districts, Utah, the Lookout Pass prospect area, Utah, and the Ferber mining district, Nevada
David R. Zimbelman, B. F. Arbogast, Phil Hageman, R. H. Hill, D.L. Fey
1991, Open-File Report 91-349
Geologic mapping of tunnels using photogrammetry--camera and target positioning
Jeffrey A. Coe, Keld S. Dueholm
1991, Open-File Report 90-49