Digital line graphs from 1:2,000,000-scale maps
Michael A. Domaratz, C.A. Hallam, W.E. Schmidt, H.W. Calkins
1983, Circular 895-D
Garnet peridotites from Williams kimberlites, north-central Montana, U.S.A
B.C. Hearn, E. S. McGee
1983, Open-File Report 83-172
Two Williams kimberlites, 250x350m and 37x390m, in the eastern part of a swarm of 30 middle Eocene alnoitic diatremes in north-central Montana, USA, contain xenoliths of garnet-bearing lherzolites, harzburgites and dunites, in addition to spinel peridotites and upper and lower crustal amphibolites and granulites. Colluvial purple, red, and pink garnets...
Geologic sections across Colorado
Ogden Tweto
1983, IMAP 1416
Geology and mineral resource potential of the Bennett Mountains Wilderness Study Area, Carbon County, Wyoming
R.J. Walker, H.R. Dixon, M. I. Toth
1983, Open-File Report 83-798
Mineral resource potential and geologic map of the Wet Beaver Roadless Area, Coconino and Yavapai counties, Arizona
G. E. Ulrich, A. M. Bielski, J.S. Bywaters
1983, Miscellaneous Field Studies Map 1558-A
Stratigraphic framework and coal resources of the Upper Cretaceous Blackhawk Formation in the Muddy Creek and Nelson Mountain areas of the Wasatch Plateau coal field, Manti 30' x 60' quadrangle, Emery, Sevier and Sanpete Counties, Utah
J. D. Sanchez, Terrence L. Brown
1983, Coal Map 94-A
No abstract available....
Exploratory drilling and aquifer testing at the Kipahulu District, Haleakala National Park, Maui, Hawaii
W. R. Souza
1983, Water-Resources Investigations Report 83-4066
An exploratory well, located at 388 feet above sea level in Kipahulu Valley on Maui, Hawaii, was completed and tested in October 1980. The 410-foot well penetrates a series of very dense basaltic lava flows of the Hana Formation. At an elevation of 10 feet above mean sea level, the...
Stratigraphic framework and coal resources of the Upper Cretaceous Blackhawk Formation in the Johns Peak and Old Woman Plateau areas of the Wasatch Plateau coal field, Salina 30' x 60' Quadrangle, Sevier County, Utah
J. D. Sanchez, L. F. Blanchard, Lisa L. August
1983, Coal Map 93-A
Analyses and descriptions of geochemical samples from the Rich Mountain Roadless Area, Fannin and Gilmer counties, Georgia
C.M. Sears, M. P. Foose, G.W. Day, M.S. Ericksen
1983, Open-File Report 83-658
Semi-quantitative spectrographic analyses for 31 elements on rock, soil, fine-grained stream sediment, bulk stream sediment, and panned stream sediment samples collected in the Rich Mountain Roadless Area, Fannin and Gilmer Counties, Georgia, are reported here. Atomic absorption analyses for gold and fluorometric analyses for uranium are also reported. Brief descriptions...
Stratigraphic sections of subsurface Jurassic rocks in the San Juan basin, New Mexico, Colorado, Utah, and Arizona
Robert Lupe
1983, Oil and Gas Investigation Chart 118
No abstract available....
Stratigraphic diagram of Middle Jurassic San Rafael group and associated formations from the San Rafael swell to Bluff in southeastern Utah
Robert Brett O'Sullivan, Frances Wahl Pierce
1983, Oil and Gas Investigation Chart 119
No abstract available....
Stratigraphic sections of middle Jurassic Entrada sandstone and related rocks from Dewey Bridge, Utah, to Bridgeport, Colorado
Robert Brett O'Sullivan, G. N. Pipiringos
1983, Oil and Gas Investigation Chart 122
No abstract available....
Geological and geochemical studies in the Wadi Bidah District, Kingdom of Saudi Arabia
C. W. Smith, B.C. Waters, M. Naqvi, R. G. Worl, A. M. Helaby, V. J. Flanigan, H.S. Sadek, R.M. Samater
1983, Open-File Report 83-672
Geological and geochemical followup studies of airborne electromagnetic anomalies in the Wadi Bidah district, southwestern Saudi Arabia, did not reveal metals of economic grade. Investigation of an anomaly enclosing the Rabathan ancient mine disclosed tightly folded and sheared Proterozoic tuffaceous rocks interlayered mostly with chert, dolomite, carbonaceous rocks, and volcanic...
Bedrock geologic map of the Pine Mountain-Oil Mountain area, Natrona County, Wyoming
Eugene George Cserna, Gloria J. Kerns, William H. Laraway
1983, Open-File Report 83-748
No abstract available....
Geology, altitude, and depth of the bedrock surface beneath the Ogallala Formation in the northern High Plains of Colorado
Ronald G. Borman, Thomas S. Meredith
1983, Hydrologic Atlas 669
Predevelopment and 1980 water table in the northern high plains of Colorado; and water-level changes, predevelopment to 1980, and 1975 to 1980
Ronald G. Borman
1983, Hydrologic Atlas 670
Distribution and abundance of gold and silver in non-magnetic and moderately magnetic heavy-mineral-concentrate and minus-80-mesh stream-sediment samples and silver in ash of aquatic-bryophyte samples, Medfra quadrangle, Alaska
H. D. King, E.F. Cooley, A.L. Gruzensky, D. L. Spiesman Jr.
1983, Open-File Report 80-811-H
Petrography of some Ambrosia Lake, New Mexico prefault uranium ores, and implications for their genesis
James D. Webster
1983, Open-File Report 83-8
Petrographic and chemical study of prefault uranium ores from the Section 30, Section 30-west, and Section 23 mines in the Ambrosia Lake mining district, New Mexico has revealed that prefault ores commonly contain several authigenic phases including a new V-Ti mineral, which formed from destruction and remobilization of primary constituents...
Controlled photomosaic of the Casius Southeast Quadrangle of Mars
Water Resources Division, U.S. Geological Survey
1983, IMAP 1432
Practices for protecting and enhancing fish and wildlife on coal surface-mined land in the Powder River-Fort Union region
Bettina R. Proctor
1983, FWS/OBS 83/10
Opportunities to protect instream flows in Michigan and Wisconsin
Mary Ray White
1983, FWS/OBS 83/21
Opportunities to protect instream flows in Georgia
Terry Ehrlich
1983, FWS/OBS 83/20
Lower Mississippi Valley ecological inventory: user's guide and information base
Angelo D. Beccasio
1983, FWS/OBS 83/19
Protecting instream flows in Iowa: an administrative case study
Stewart W. Olive
1983, FWS/OBS 83/18
Pocosins: a changing wetland resource
C.B. Mcdonald, A.N. Ash, E.S. Kane
1983, FWS/OBS 83/32