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Potentiometric surface of the Floridan aquifer in the St. Johns River Water Management District and vicinity, Florida, September 1982
George R. Schiner, Eugene C. Hayes
1982, Open-File Report 83-30
This map presents the potentiometric surface of the Floridan aquifer in the St. Johns River Water Management District and vicinity for September 1982. The Floridan aquifer is the principal source of potable water in the area. Water-level measurements were made on approximately 1,000 wells and on several springs. The potentiometric...
Habitat Suitability Index Models: Gray squirrel
Arthur W. Allen
1982, FWS/OBS 82/10.19
The gray squirrel (Sciurus carolinensis)inhabits hardwood and mixed hardwood-coniferous forests (Uhlig 1955; Golley 1962). Although they may occur in a variety of forested habitat types, large, densely forested areas are preferred (Taylor 1974)....
Water-quality characteristics of streams in forested and rural areas of North Carolina
Clyde E. Simmons, Ralph C. Heath
1982, Water Supply Paper 2185-B
Data collected in North Carolina during 1973-78 from a statewide network of 39 rural sampling sites were used to define unpolluted or baseline stream quality. The basins were 90 to 100 percent forested and, except for the unknown effects of air pollution, were relatively unaffected by man 's activities. Five...
Support by the U.S. Geological Survey for adjudications, compacts, and treaties
Alberto Condes de la Torre
1982, Open-File Report 82-680
The U.S. Geological Survey supports interstate compacts, treaties, and court decrees by providing hydrologic data and analysis needed in their administration and by providing Federal representation on compact commissions. As part of this program, in fiscal year 1982 the Geological Survey operated 171 streamflow stations, 3 sediment stations, and 13...
Habitat Suitability Index Models: Pine warbler
Richard L. Schroeder
1982, FWS/OBS 82/10.28
Habitat preferences of the pine warbler (Dendroica pinus) are described in this publication, which is one of a series of Habitat Suitability Index (HSI) models. Habitat use information is presented in a synthesis of the literature on the species-habitat requirements of the pine warbler, followed by the development of the...
A recommended procedure for the preparation of oriented clay-mineral specimens for X-ray diffraction analysis; modifications to Drever's filter-membrane peel technique
R. M. Pollastro
1982, Open-File Report 82-71
Extremely well-oriented clay mineral mounts for X-ray diffraction analysis can be prepared quickly and without introducing segregation using the filter-membrane peel technique. Mounting problems encountered with smectite-rich samples can be resolved by using minimal sample and partial air-drying of the clay film before transfer to a glass slide. Samples containing...
Water resources data for Michigan, water year 1981
Water Resources Division, U.S. Geological Survey
1982, Water Data Report MI-81-1
Water resources data for the 1981 water year for Michigan consist of records of stage, discharge, and water quality of streams; stage, contents, and water quality of lakes and reservoirs; and water levels and water temperature of ground water. This report contains discharge records for 178 gaging stations; stage only...
Ground water for public water supply at Windigo, Isle Royale National Park, Michigan
N.G. Grannemann, F. R. Twenter
1982, Open-File Report 82-567
Three test holes drilled at Windigo in Isle Royale National Park in 1981 indicate that the ophitic basaltic lava flows underlying the area contain little water and cannot be considered a source for public water supply. The holes were 135, 175, and 71 feet deep. One hole yielded about 1...