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Ground-water levels in the alluvial aquifer in eastern Arkansas, 1984
Maria Plafcan
1985, Open-File Report 85-569
This report, prepared by the U.S. Geological Survey in cooperation with the Arkansas Soil and Water Conservation Commission, the U.S. Soil Conservation Service and local Conservation Districts, contains groundwater level measurements in 452 wells tapping the Mississippi River Valley alluvial aquifer of eastern Arkansas. The measurements were made by the...
Operation of hydrologic data collection stations by the U.S. Geological Survey in 1985
Alberto Condes de la Torre
1985, Open-File Report 85-640
The U.S. Geological Survey (USGS) operated hydrologic data collection stations during fiscal yr 1985 in response to the needs of all levels of Government for hydrologic information. Surface water discharge was determined at 11,076 stations; stage data on streams, reservoirs, and lakes were recorded at 2,141 stations; and surface water...
Geology of the Precambrian rocks of the Jabal Habashi Quadrangle, sheet 26F, Kingdom of Saudi Arabia
P.R. Johnson, P. L. Williams, F. J. Fuller (compiler)
1985, Open-File Report 85-3
The Jabal Habashi quadrangle contains formations of Lower Paleozoic and Cenozoic age, unconformably overlying part of the Precambrian Arabian Shield. The Precambrian formations include metamorphosed and strongly deformed volcanic and volcaniclastic rocks and plutons of calc-alkalic, mafic to intermediate composition, dated at about 645 Ma. These are unconformably overlain by...
Description and preliminary testing of the CDSN Seismic Sensor Systems
Jon Peterson, Edwin E. Tilgner
1985, Open-File Report 85-288
The China Digital Seismograph Network (CDSN) is being designed and installed to provide the People's Republic of China with the facilities needed to create a national digital database for earthquake research. The CDSN, which is being developed jointly by the PRC State Seismological Bureau and the U.S. Geological Survey, will...
Hydrologic and micrometeorologic data from an unsaturated zone study at a low-level radioactive waste burial site near Barnwell, South Carolina
K.F. Dennehy, P.B. McMahon
1985, Open-File Report 85-476
Two years of selected hydrologic and micrometeorologic data collected at a low-level radioactive waste burial site near Barnwell, South Carolina are available on magnetic tape in card-image format. Hydrologic data include daily measurements of soil-moisture tension, soil-moisture specific conductance, and soil temperature at four monitoring site locations. Micrometeorlogic data include...