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Altitude and configuration of the potentiometric surface, May and June 1993, and change in water level 1983-93, in the carbonate rocks in part of East Whiteland and Charlestown Townships, Chester County, Pennsylvania
B. C. McManus, R. A. Sloto
1994, Open-File Report 93-659
A map showing ground-water levels in the carbonate rocks of northern Chester County, Pa., was constructed on the basis of water levels in 51 wells measured in May and June 1993. The area studied underlies parts of East Whiteland and Charlestown Townships. Water-level altitudes range from about 413 feet above...
Topographic data requirements for EOS global change research
Dean B. Gesch
1994, Open-File Report 94-626
This document is a result of Earth Observing System Data and Information System (EOSDIS) Version 0 activities of the Land Processes Distributed Active Archive Center at the U.S. Geological Survey's EROS Data Center. A relatively small part of the Version 0 funding provided by NASA is used to address topographic...
Earthquakes in California and Nevada
Susan K. Goter, D. H. Oppenheimer, James J. Mori, Martha K. Savage, Robert P. Masse
1994, Open-File Report 94-647
Each year seismic networks record more than 30,000 earthquakes with magnitudes (M) as small as 1.0 in California and Nevada. Historic accounts indicate more than 360 earthquakes of M≥5.5 have occurred in this region between 1836 and 1994. This map depicts the recent and historic seismicity in three ways. The...
Calculation of a water budget and delineation of contributing sources to drainflows in the western San Joaquin Valley, California
John L. Fio
1994, Open-File Report 94-45
Geohydrologic data and a ground-water flow model were used to calculate a water budget and evaluate the contribution of regional groundwater flow to on-farm drainflow in a part of the western San Joaquin Valley, California. Regional ground-water flow is affected by the distribution of unconsolidated coarse- and fine-grained sediment. Predominantly...
Proceedings of a U.S. Geological Survey pressure-sensor Workshop, Denver, Colorado, July 28-31, 1992
Sammy L. Wilbourn
1994, Open-File Report 94-363
The U.S. Geological Survey (USGS) conducted a Pressure Sensor Workshop, oriented toward the measurement of stage in surface waters, in Denver, Colorado, July 28-31, 1992. Twenty attendees from the U.S. Geological Survey and the National Oceanic and Atmospheric Administration gave presentations concerning their experiences with the use of pressure sensors...
Suitability of ponds formed by strip mining in eastern Oklahoma for public water supply, aquatic life, waterfowl habitat, livestock watering, irrigation, and recreation
Renee S. Parkhurst
1994, Open-File Report 94-324
A study of coal ponds formed by strip mining in eastern Oklahoma included 25 ponds formed by strip mining from the Croweburg, McAlester, and Iron Post coal seams and 6 noncoal-mine ponds in the coal-mining area. Water-quality samples were collected in the spring and summer of 1985 to determine the...