United States Geological Survey YearbookThe Survey, 1984 - Geology |
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Page 2
... million acres of Federal wilderness lands throughout the country . The publication in 1984 of Professional Paper 1300 , Wilderness Mineral Potential , was a significant milestone in our long - term efforts to thoroughly characterize the ...
... million acres of Federal wilderness lands throughout the country . The publication in 1984 of Professional Paper 1300 , Wilderness Mineral Potential , was a significant milestone in our long - term efforts to thoroughly characterize the ...
Page 14
... million tons per day from 1977 to 1981 and was almost zero in winter , rose to 10 million tons per day during winter 1983-84 and continues at a high rate . The rate of retreat has accelerated , from an average of 130 feet per year from ...
... million tons per day from 1977 to 1981 and was almost zero in winter , rose to 10 million tons per day during winter 1983-84 and continues at a high rate . The rate of retreat has accelerated , from an average of 130 feet per year from ...
Page 18
... million ounces of gold in almost 70 million short tons of ore - in Precambrian basement rocks near Hemlo , Ontario , have demonstrated the possible economic importance of the Precambrian rocks that underlie the midcontinent region ...
... million ounces of gold in almost 70 million short tons of ore - in Precambrian basement rocks near Hemlo , Ontario , have demonstrated the possible economic importance of the Precambrian rocks that underlie the midcontinent region ...
Page 19
... million years ago . Research to determine the origin and the location of mineral deposits formed during these ancient events will aid in the discovery of new mineral resources . Eastern Mesozoic Basins Mesozoic rift basins , formed ...
... million years ago . Research to determine the origin and the location of mineral deposits formed during these ancient events will aid in the discovery of new mineral resources . Eastern Mesozoic Basins Mesozoic rift basins , formed ...
Page 20
... million square miles to be assessed in the conterminous United States during the next several decades . The responsibility of the Geological Survey and the U.S. Bureau of Mines to assess the mineral resources of certain public lands ...
... million square miles to be assessed in the conterminous United States during the next several decades . The responsibility of the Geological Survey and the U.S. Bureau of Mines to assess the mineral resources of certain public lands ...
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activities Alaska aquifer areas Assistant Bacillus cereus basins Bureau California cartographic cartographic data base City coal Columbia Glacier Commission contaminants Control Cooperative Denver Department of Public digital cartographic data digital data earthquake energy Environmental eruption Federal agencies Federal Bldg feet fiscal year 1984 flow fluid inclusions geographic geographic information systems Geologist geophysical ground water ground-water hazards High Plains hydrologic ical image map Information Systems investigations irrigation Lake land Landsat lava located Loki Patera major Management Mauna Loa million mineral deposits mineral resources models National Center National Mapping Division Office offshore Parkfield Parkfield earthquake potential production quadrangle radar Regional remote sensing River rocks San Andreas fault scientific sediment Service sewage sources square miles STOP studies sulfur surface Survey scientists Survey's techniques tion topographic maps trends U.S. Geological Survey Volcano Water Conservation District Water District zone