United States Geological Survey YearbookThe Survey, 1987 - Forest reserves |
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Page ii
... United States Geological Survey Yearbook ISSN 0892-3442 UNITED STATES GOVERNMENT PRINTING OFFICE : 1988 For sale by the Superintendent of Documents , U.S. Government Printing Office , Washington , DC 20402 DEPARTMENT U. DEPARTMENT U.S. ...
... United States Geological Survey Yearbook ISSN 0892-3442 UNITED STATES GOVERNMENT PRINTING OFFICE : 1988 For sale by the Superintendent of Documents , U.S. Government Printing Office , Washington , DC 20402 DEPARTMENT U. DEPARTMENT U.S. ...
Page vii
... United States hosts the 28th International Geological Congress in Washington , D.C. , in July 1989 , which will bring the most prestigious earth scientists from more than 100 nations to the United States . We are also looking forward to ...
... United States hosts the 28th International Geological Congress in Washington , D.C. , in July 1989 , which will bring the most prestigious earth scientists from more than 100 nations to the United States . We are also looking forward to ...
Page 1
... United States and Canada . The geology beneath the lakes , immediately adjacent to these population centers , is probably the least well known of any place in the United States . GLIMPCE Because of these scientific and practi- cal ...
... United States and Canada . The geology beneath the lakes , immediately adjacent to these population centers , is probably the least well known of any place in the United States . GLIMPCE Because of these scientific and practi- cal ...
Page 32
... United States , could eventually supply about 10 percent of annual U.S. consump- tion of approximately 3.9 million ounces . The U.S. currently relies on foreign sources for 98 percent of this annual con- sumption . The platinum - group ...
... United States , could eventually supply about 10 percent of annual U.S. consump- tion of approximately 3.9 million ounces . The U.S. currently relies on foreign sources for 98 percent of this annual con- sumption . The platinum - group ...
Page 33
... United States . The world's most important deposits ( fig . 8 ) of platinum - group metals are asso- ciated with magmatic intrusions of mafic or ultramafic rocks and fall in three main categories : stratiform deposits such as the ...
... United States . The world's most important deposits ( fig . 8 ) of platinum - group metals are asso- ciated with magmatic intrusions of mafic or ultramafic rocks and fall in three main categories : stratiform deposits such as the ...
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activities Administration Alaska analysis aquifer areas Award basin Board Bureau Calcasieu River cartographic cartographic data Chief Hydrologist City City of w climate coal coastal Commission concentrations contamination cooperative Coordination County data base Denver Denver Federal Center Department of Public deposits Earth Science earthquake energy environment Environmental fiscal flow geographic information systems Geologic Division geologic map Geologist geophysical global change gram graphic ground water ground-water hazards hydrologic Hydrologist investigations Irrigation Lake Lake Nyos land located Management ment miles mineral resources National Center National Mapping Division natural Office organic Park percent Planning processes radon Regional Reston River rocks samples San Joaquin River scientific scientists sediment seismic selenium Service soils Stop streamflow studies surface tion Transportation U.S. Geological Survey United users USGS Valley Volcano Water Conservation District Water District water quality Water Resources water-quality wetlands zone