Shallow ground water in the Whitney area, southeastern Las Vegas Valley, Clark County, Nevada, part I. Description of chemical quality, 1986-87
D. H. Emme, David E. Prudic
1991, Water-Resources Investigations Report 89-4117
No abstract available....
Quantity and quality of ground-water inflow to the San Joaquin River, California
S.P. Phillips, Sherrill Beard, R. J. Gilliom
1991, Water-Resources Investigations Report 91-4019
Hydrogeology and simulation of ground-water flow in the Rochester area, southeastern Minnesota, 1987-88
G. N. Delin
1991, Water-Resources Investigations Report 90-4081
Ground-water flow in the St. Peter-Prairie du Chien-Jordan aquifer was studied in a 700 square-mile area surrounding Rochester, Minnesota. The aquifer consisting of sandstone, limestone, and dolomite is locally confined by the Decorah-Platteville-Glenwood sequence of shales and limestones. Regional flow in the aquifer is from a ground-water divide on the...
Marine geologic map of the Puerto Rico insular shelf Guanica to Ponce area
Juan L. Trias
1991, IMAP 2263
Episodic Acidification and Associated Fish and Aquatic Invertebrate Responses in Four Catskill Mountain Streams: Interim Report of the Episodic Response Project
Peter S. Murdoch, Cathleen E. Bonitz, Kirk W. Eakin, Anthony J. Ranalli, Emitt C. Witt III
1991, Open-File Report 90-566
Hydrology and the hypothetical effects of reducing nutrient applications on water quality in the Bald Eagle Creek Headwaters, southeastern Pennsylvania prior to implementation of agricultural best-management practices
D. K. Fishel, M. J. Langland, M. V. Truhlar
1991, Water-Resources Investigations Report 91-4006
The report characterizes a 0.43-square-mile agricultural watershed in York County, underlain by albite-chlorite and oligoclase-mica schist in the Lower Susquehanna River basin, that is being studied as part of the U.S. Environmental Protection Agency's Chesapeake Bay Program. The water quality of Bald Eagle Creek was studied from October 1985 through...
Preliminary geomagnetic data, College Observatory, Fairbanks, Alaska, January 1991
John B. Townshend, Richard V. O’Connell, Carol Ann Varner
1991, Open-File Report 91-300-A
Potentiometric-surface map of the Eutaw-McShan aquifer in northeastern Mississippi, August through December 1987
Gala D. S. Goldsmith
1991, Water-Resources Investigations Report 90-4157
No abstract available....
Geologic map of the Nephi 30' x 60' quadrangle, Carbon, Emery, Juab, Sanpete, Utah and Wasatch Counties, Utah
I. J. Witkind, M. P. Weiss
1991, IMAP 1937
No abstract available....
Stratigraphic notes, 1989-90: Four short papers propose changes in stratigraphic nomenclature in Oregon, Vermont, Massachusetts, and southern Pakistan
Water Resources Division, U.S. Geological Survey
1991, Bulletin 1935
No abstract available....
Analytical results of insoluble-residue samples from the Paducah 1 degree x 2 degrees Quadrangle, Missouri, Illinois, and Kentucky, drill hole Nos. P1-P20
John H. Bullock Jr., H. W. Folger, J. D. Sharkey, J.R. Gillison, C. D. Taylor
1991, Open-File Report 91-378-B
Public water-supply in Massachusetts, 1986
Lisa Bratton
1991, Open-File Report 91-86
Hydrogeologic data for Boone County, Arkansas
J. V. Brahana, Gerard Gonthier, L.M. Remsing
1991, Open-File Report 91-518
Preliminary geologic map of the Dolph quadrangle, Lincoln, Tillamook, and Yamhill counties, Oregon
Parke Detweiler Snavely Jr., Norman S. MacLeod, Diane L. Minasian
1991, Open-File Report 91-277
No abstract available....
Geologic map of Long Island and southern and central Dall Island, southeastern Alaska
G. E. Gehrels
1991, Miscellaneous Field Studies Map 2146
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....
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
Earthquake data report, September 1991
Water Resources Division, U.S. Geological Survey
1991, Open-File Report 91-609-A
Earthquake data report, October 1991
Water Resources Division, U.S. Geological Survey
1991, Open-File Report 91-610-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....
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
Landform classification of New Mexico by computer
Richard Dikau, Earl E. Brabb, Robert M. Mark
1991, Open-File Report 91-634
Earthquake data report, February 1991
Water Resources Division, U.S. Geological Survey
1991, Open-File Report 91-602-A
Geologic maps of science study area 3, Olympus Rupes, Mars
E. C. Morris, Harold Masursky, D.J. Applebee, M.E. Strobell
1991, IMAP 2001
This map is one in a series of 1:500,000-scale geologic maps initiated by the National Aeronautics and Space Administration to...
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