United States Geological Survey YearbookThe Survey, 1986 - Geology |
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Page 2
... surface ( like a raised bed ) in fill consisting of compacted soil . Trenches ranged in length from 35 to 580 feet ... surface hy- drology , including runoff , sediment trans- port , and surface collapse ; ( 3 ) geology ; TUNNEL ENTRANCE ...
... surface ( like a raised bed ) in fill consisting of compacted soil . Trenches ranged in length from 35 to 580 feet ... surface hy- drology , including runoff , sediment trans- port , and surface collapse ; ( 3 ) geology ; TUNNEL ENTRANCE ...
Page 3
... surface hy- drology at the site allows estimation of the rate , timing , and amount of infiltrating water that would be available to transport radionuclides from the buried waste material . Studies of the geohydrology of the unsaturated ...
... surface hy- drology at the site allows estimation of the rate , timing , and amount of infiltrating water that would be available to transport radionuclides from the buried waste material . Studies of the geohydrology of the unsaturated ...
Page 4
... Surface - Water Hydrology Surface runoff and sediment transport were monitored in three basins that com- prise two - thirds of the 20 - acre site , in an approximately 4 - acre undisturbed basin near the site , and in four plots that ...
... Surface - Water Hydrology Surface runoff and sediment transport were monitored in three basins that com- prise two - thirds of the 20 - acre site , in an approximately 4 - acre undisturbed basin near the site , and in four plots that ...
Page 5
... surface through the unsaturated zone to the saturated zone . The het- erogeneity and layering of different geo- logic units cause the rates of water move- ment to vary substantially throughout the site . Sloping interfaces between ...
... surface through the unsaturated zone to the saturated zone . The het- erogeneity and layering of different geo- logic units cause the rates of water move- ment to vary substantially throughout the site . Sloping interfaces between ...
Page 7
... surface drainage , a grass cover , and a compacted soil layer are essential to reduce soil erosion , infiltration of precipitation , and offsite migration of radionuclides . Early , continuous , and long - term mon- itoring are required ...
... surface drainage , a grass cover , and a compacted soil layer are essential to reduce soil erosion , infiltration of precipitation , and offsite migration of radionuclides . Early , continuous , and long - term mon- itoring are required ...
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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