Neodymium isotopic evidence for early Proterozoic units in the Watersmeet gneiss dome, northern Michigan. Temperature-pressure estimates of dynamically recrystallized rocks in the early Proterozoic Mountain shear zone, northeastern Wisconsin
Karin M. Barovich, P. Jonathan Patchett, Zell E. Peterman, P.K. Sims, Warren C. Day
1991, Bulletin 1904-G,H
No abstract available....
New observations on the age and structure of Proterozoic quartzites in Wisconsin
Gene L. LaBerge, J. S. Klasner, Paul E. Myers
1991, Bulletin 1904-B
Evidence for continental crustal assimilation in the Hemlock Formation flood basalts of the early Proterozoic Penokean Orogen, Lake Superior region
J. Warren Beck, V. Rama Murthy, L. M. H. Carter
P.K. Sims, editor(s)
1991, Bulletin 1904-I
Water-resources activities in New York : fiscal year 1989
Mary P. Marshall
1991, Open-File Report 90-376
Geologic map of the Campbell Mountain Quadrangle, Lumpkin County, Georgia
A. E. Nelson
1991, Miscellaneous Field Studies Map 2148
Potentiometric surface of the Magothy Aquifer in southern Maryland, September 1989
Frederick K. Mack, Stephen E. Curtin, David C. Andreasen, Judith C. Wheeler
1991, Water-Resources Investigations Report 91-4093
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,...
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....
Public water-supply in Massachusetts, 1986
Lisa Bratton
1991, Open-File Report 91-86
Water-resources activities for the U.S. Geological Survey in Wyoming, October 1989 through September 1991
Keith Edward Wilson
1991, Open-File Report 91-226
Hydrogeologic data for Boone County, Arkansas
J. V. Brahana, Gerard Gonthier, L.M. Remsing
1991, Open-File Report 91-518
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....
Water-resources activities of the U. S. Geological Survey, Mid-Atlantic Programs, 1987-91
Judith A. McFarland (compiler), Linda A. Weiss, Amy J. Chen, Donna R. Lowry, Kimberle A. Bouder, Willie R. Caughron, G. Jean Hyatt
1991, Open-File Report 91-505
A Field and Laboratory Procedure for Desorbing Coal Gases
Charles E. Barker, Ronald C. Johnson, Bonnie L. Crysdale, Arthur C. Clark
1991, Open-File Report 91-563
Earthquake data report, January 1991
Water Resources Division, U.S. Geological Survey
1991, Open-File Report 91-601-B
Earthquake hazards in the Pacific Northwest: An overview
A. M. Rogers, T. J. Walsh, W. J. Kockelman, G. R. Priest
1991, Open-File Report 91-441-O
No abstract available....
Landform classification of New Mexico by computer
Richard Dikau, Earl E. Brabb, Robert M. Mark
1991, Open-File Report 91-634
Aeromagnetic gridded data for a portion of the San Jose 1 degree x 2 degrees Quadrangle, California
G. A. Abrams, R.P. Kucks, R. E. Bracken
1991, Open-File Report 91-30
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
Geologic map of the Lower Owyhee Canyon Wilderness Study Area, Malheur County, Oregon
J. G. Evans
1991, Miscellaneous Field Studies Map 2167
Composition, clay mineralogy, and diagenesis of the Simpson Group (Middle Ordovician), Grady County, Oklahoma
Richard M. Pollastro
1991, Bulletin 1866-H
Chloride concentrations in the Upper Floridan Aquifer in the coastal area of Georgia, May 1990
Alan M. Cressler
1991, Open-File Report 91-173
No abstract available. ...
Relation of nitrate concentrations in water to agricultural land use and soil type in Dakota County, Minnesota, 1990
James Edward Almendinger
1991, Open-File Report 91-235
The quality of surface and ground water can be related to various physical factors such as land use, soil type, geology, and depth to water table. Land use in Dakota County, Minnesota, is changing: urbanization and industrialization in the north and increasing irrigation and application of agricultural chemicals in the...
Geochemical relations and distribution of selected trace elements in ground water of the northern part of the western San Joaquin Valley, California
N. M. Dubrovsky, J. M. Neil, M.C. Welker, K. D. Evenson
1991, Open-File Report 90-108
No abstract available. ...
Coccolith correlation of California Cenozoic geologic formations
David Bukry
1991, Open-File Report 91-574
