United States Geological Survey YearbookThe Survey, 1986 - Geology |
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Results 1-5 of 21
Page 4
... record were 2.5 times the rates during the first half , the mean volume of collapse cavities during the second half was only 43 percent of the mean volume of collapses that occurred during the first half of the period . In addition to ...
... record were 2.5 times the rates during the first half , the mean volume of collapse cavities during the second half was only 43 percent of the mean volume of collapses that occurred during the first half of the period . In addition to ...
Page 7
... records concerning trench con- struction , dimensions , contents , and durability of the postburial trench cap are essential for evaluating methods of disposal , determining potential con- taminants , and monitoring water and ...
... records concerning trench con- struction , dimensions , contents , and durability of the postburial trench cap are essential for evaluating methods of disposal , determining potential con- taminants , and monitoring water and ...
Page 20
... record . Offshore Geologic Surveys The Offshore Geologic Framework Pro- gram conducts scientific investigations to acquire an understanding of basic geologic and geophysical characteristics of the con- tinental margins and adjacent ...
... record . Offshore Geologic Surveys The Offshore Geologic Framework Pro- gram conducts scientific investigations to acquire an understanding of basic geologic and geophysical characteristics of the con- tinental margins and adjacent ...
Page 24
... records on streamflow , reservoir and lake National Research Program Basic research in the Water Resources Division focuses on increasing under- standing of the fundamental hydrologic processes of the Nation's ground- and surface ...
... records on streamflow , reservoir and lake National Research Program Basic research in the Water Resources Division focuses on increasing under- standing of the fundamental hydrologic processes of the Nation's ground- and surface ...
Page 50
... record indicates that historical lake levels are abnormally low and that the trend from natural variation indicates a long - term rise in lake levels . These studies illustrate that basic research can be useful in identifying and ...
... record indicates that historical lake levels are abnormally low and that the trend from natural variation indicates a long - term rise in lake levels . These studies illustrate that basic research can be useful in identifying and ...
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activities Administration Alaska aquifer areas basins California cartographic City Commission concentrations contaminants cooperation Coordination County data base Denver Denver Federal Center deposits digital cartographic data distribution drought earth-science earthquake Energy Environmental eruption Federal agencies Federal Bldg feet fiscal year 1986 flow format geographic information systems Geologist geophysical Gorda Ridge graphic ground water ground-water hazards hydrologic increased investigations Irrigation land Landsat levels located logical Survey Management Menlo Park ment miles mineral resource assessment monitoring National Center National Mapping Division National Water Office Operations organic Orinoco River Parkfield percent Planning potential precipitation production quadrangle radioactive waste radon Regional Reston River rocks runoff Salt Lake samples saturated zone scientific Scientific Drilling sediment seismic selenium Service soil sources Stop streamflow studies sulfide surface Survey's terranes tion Transportation trends U.S. Geological Survey United uranium Valley volcano waste Water District water quality Water Resources Division water-quality