United States Geological Survey YearbookThe Survey, 1987 - Forest reserves |
From inside the book
Results 1-5 of 85
Page vii
... scale map series far ahead of scheduled expectations . Our cooperative effort to provide the basic hydrologic information for Connecti- cut's ground - water protection program , described in one of the lead essays , is just one example ...
... scale map series far ahead of scheduled expectations . Our cooperative effort to provide the basic hydrologic information for Connecti- cut's ground - water protection program , described in one of the lead essays , is just one example ...
Page 5
... scale structure that curves in a broad are from Kansas through Lake Supe- rior and into southern Michigan . The rift formed about 1.1 billion years ( b.y. ) ago as the North American Continent began to break apart along a line ...
... scale structure that curves in a broad are from Kansas through Lake Supe- rior and into southern Michigan . The rift formed about 1.1 billion years ( b.y. ) ago as the North American Continent began to break apart along a line ...
Page 6
... scale ) that indicate the elapsed time , in seconds , from an air - gun blast to the re- corded echo . These times can be approximately converted to kilometers ( right - hand scale ) by assuming an average sonic ve- locity of 6 ...
... scale ) that indicate the elapsed time , in seconds , from an air - gun blast to the re- corded echo . These times can be approximately converted to kilometers ( right - hand scale ) by assuming an average sonic ve- locity of 6 ...
Page 11
... scale - series maps . The digital data will be used in a computerized geographic information sys- tem that will serve as the predominant source of digital maps in Connecticut . After nearly a half century of informal relations , the ...
... scale - series maps . The digital data will be used in a computerized geographic information sys- tem that will serve as the predominant source of digital maps in Connecticut . After nearly a half century of informal relations , the ...
Page 12
... scale bedrock geologic map of the State that synthesized the results of the bedrock mapping . Cooperative efforts are presently underway to digitize the geologic data and incorporate them in Connecticut's geographic information system ...
... scale bedrock geologic map of the State that synthesized the results of the bedrock mapping . Cooperative efforts are presently underway to digitize the geologic data and incorporate them in Connecticut's geographic information system ...
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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