Generalized altitude and configuration of the base of the High Plains regional aquifer, northwestern Oklahoma
John S. Havens
1981, Open-File Report 81-1117
During 1978, the U.S. Geological Survey began a 5-year study of the High Plains regional aquifer system to provide hydrologic information for evaluation of the effects of long-term development of the aquifer and to develop computer models for prediction of aquifer response to alternative changes in ground-water management (Weeks, 1978)....
Generalized surficial geologic map of the Kline Quadrangle, Colorado
Glenn R. Scott, David W. Moore
1981, Open-File Report 81-1317
Maps Showing Ground-Water Conditions in the San Simon Wash Area, Papago Indian Reservation, Arizona - 1979
Kenneth J. Hollet
1981, Open-File Report 81-530
INTRODUCTION The San Simon Wash area includes about 2,300 mi2 in the Papago Indian Reservation in south-central Arizona and is characterized by low mountains separated by broad alluvial basins. Most of the basins and mountains trend north and slightly northwest. The basins are underlain by a thick sequence of basin-fill deposits....
Mines, prospects and selected metalliferous mineral occurrences in the Bradfield Canal quadrangle, Alaska
Raymond L. Elliott, R. D. Koch
1981, Open-File Report 81-728-B
Preliminary geologic map of the Pilot Peak and adjacent quadrangles, Elko County, Nevada, and Box Elder County, Utah
David M. Miller, Andrew P. Lush
1981, Open-File Report 81-658
No abstract available....
Geohydrology of the Schenectady Aquifer, Schenectady County, New York
G. Allan Brown, R. B. Moore, K.I. Mahon, R. V. Allen
1981, Open-File Report 82-84
This report is the fourth in a series of 11 map sets depicting geohydrologic conditions in selected aquifers in upstate New York. Geohydrologic data are compiled on six maps at 1:24,000 scale. Together the maps provide a comprehensive overview of the Schenectady aquifer, the principal aquifer in Schenectady County and...
Map and table showing radiometric ages of rocks in southwestern Alaska
Nora B. Shew, Frederic H. Wilson
1981, Open-File Report 81-886
No abstract available....
Map and table showing radiometric ages of rocks in the Aleutian Islands and Alaska Peninsula
Frederic H. Wilson
1981, Open-File Report 81-471
No abstract available....
Map showing mineral resource evaluation of 53 proposed wilderness areas, California
Luis A. Fraticelli, John Patrick Albers
1981, Open-File Report 81-1215
Geologic map of the eastern Willapa Hills, Cowlitz, Lewis, Pacific, and Wahkiakum counties, Washington
Ray E. Wells
1981, Open-File Report 81-674
Generalized thickness of the Floridan aquifer, Southwest Florida Water Management District
R. M. Wolansky, J.M. Garbade
1981, Open-File Report 80-1288
This map report presents the thickness of the Floridan aquifer in the Southwest Florida Water Management District. The Floridan aquifer ranges in thickness from 600 feet in the northern part of the District to 2,400 feet in the southern part. It is composed chiefly of limestone and dolomite beds that...
Map showing distribution of Mo in stream sediments and W in nonmagnetic, heavy-mineral concentrates from the Golden Trout Wilderness, California
D. L. Leach, R.J. Goldfarb, J. A. Domenico
1981, Open-File Report 81-990
Water resources data for California, water year 1980; Volume 4, Northern Central Valley basins and the Great Basin from Honey Lake basin to Oregon state line
Water Resources Division, U.S. Geological Survey
1981, Water Data Report CA-80-4
Volume 4 of the water resources data for the 1980 water year for California consists of records of stage, discharge, and water quality of streams; stage, contents, and water quality in lakes and reservoirs; and water levels in wells. This report contains discharge records for 199 gaging stations; stage and...
Maps showing distribution and abundance of lead in geochemical samples from the Bradfield Canal quadrangle, southeastern Alaska
R. D. Koch, Raymond L. Elliott
1981, Open-File Report 81-728-E
Geologic map of the Huntoon Valley quadrangle, Mineral County, Nevada, and Mono County, California
John Harris Stewart, F. J. Kleinhampl, D. C. Johannesen, R. C. Speed, J. C. Dohrenwend
1981, Open-File Report 81-274
No abstract available....
Floods of September 16, 1975 in the Tallaboa Valley, Puerto Rico
Karl G. Johnson
1981, Open-File Report 80-1283
This report provides a record of the flood of September 16, 1975, and associated hydrologic data. These data can be used in making rational decisions in formulating effective flood-plain regulations that would minimize flood problems in the Tallaboa Valley.The Tallaboa Valley (fig. 1) lies on the southwestern coast of Puerto...
Geologic map of the bedrock part of the Healy A-1 quadrangle south of the Talkeetna-Broxson Gulch fault system, Clearwater Mountains, Alaska
Norman J. Silberling, D.H. Richter, D. L. Jones, P. C. Coney
1981, Open-File Report 81-1288
No abstract available....
Map showing distribution of Pb and Zn in heavy-mineral concentrates from the Golden Trout Wilderness, California
D. L. Leach, R.J. Goldfarb, J. A. Domenico
1981, Open-File Report 81-757
Geologic map of the Beaver 15 minute Quadrangle, Beaver County, Utah
Michael N. Machette, T. A. Steven, C. G. Cunningham, J. J. Anderson
1981, Open-File Report 81-951
Maps showing distribution and abundance of yttrium in geochemical samples from the Bradfield Canal quadrangle, southeastern Alaska
R. D. Koch, Raymond L. Elliott
1981, Open-File Report 81-728-K
No abstract available....
A geochemical reconnaissance of the Utuado Batholith and vicinity, Puerto Rico
Robert E. Learned, T.H. Hickey, Ileana. Perez de Gonzales
1981, Open-File Report 81-1131
Oxalic acid-soluble iron and manganese oxides in the Flathead Sandstone, Choteau quadrangle, Montana— A sample medium for mineral exploration
R. W. Leinz, James W. Whipple
1981, Open-File Report 81-475
No abstract available....
Map showing Quaternary geology of the central Antelope Valley and vicinity, California
D.J. Ponti, D. B. Burke, Charles W. Hedel
1981, Open-File Report 81-737
Geochemical map showing distribution and abundance of copper, lead, zinc, and barium in the nonmagnetic, heavy-mineral concentrate samples in the West Chichagof-Yakobi Wilderness Study Area, Sitka quadrangle, southeastern Alaska
T. D. Hessin, M. G. Maslowksi, E.F. Cooley
1981, Open-File Report 81-27-S
No abstract available....
Map of the United States showing distances from urban areas having populations greater than 2,500
Jack Burton Epstein
1981, Open-File Report 81-157
