United States Geological Survey YearbookThe Survey, 1987 - Forest reserves |
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Page 5
... continued , would have caused total separa- tion of the continent on either side of the rift and the formation of an ocean basin like the present - day Atlantic Ocean . For rea- sons not yet fully understood , the rifting stopped before ...
... continued , would have caused total separa- tion of the continent on either side of the rift and the formation of an ocean basin like the present - day Atlantic Ocean . For rea- sons not yet fully understood , the rifting stopped before ...
Page 7
... continued so that older flows were folded and tilted . Volcanism ceased , but subsidence of as much as 6 miles continued as a thick , postvolcanic sedimentary sec- tion filled the graben . Ground water accounts for 12 percent ( 144 ...
... continued so that older flows were folded and tilted . Volcanism ceased , but subsidence of as much as 6 miles continued as a thick , postvolcanic sedimentary sec- tion filled the graben . Ground water accounts for 12 percent ( 144 ...
Page 12
... Water Between 1970 and 1980 , there was a significant transition in the USGS coopera- tive programs in Connecticut . Although map inventories and research continued , a major part of. 121 U.S. Geological Survey Yearbook 1987.
... Water Between 1970 and 1980 , there was a significant transition in the USGS coopera- tive programs in Connecticut . Although map inventories and research continued , a major part of. 121 U.S. Geological Survey Yearbook 1987.
Page 13
... continued this dialogue with the user community through workshops , guidebooks , and other out- reach programs for local land - use commis- sions . The final phase of the integration proc- ess , the use of natural - resource information ...
... continued this dialogue with the user community through workshops , guidebooks , and other out- reach programs for local land - use commis- sions . The final phase of the integration proc- ess , the use of natural - resource information ...
Page 15
... continued integra- tion of surface- and ground - water quality protection programs and will require a thorough understanding of the hydrology of each major drainage basin . Cooperative programs are continuing to move from natural ...
... continued integra- tion of surface- and ground - water quality protection programs and will require a thorough understanding of the hydrology of each major drainage basin . Cooperative programs are continuing to move from natural ...
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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