United States Geological Survey YearbookU.S. Geological Survey, 1994 - Geology |
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... natural resources can lead to additional concerns , such as the recent col- lapse of a New York salt mine ( see p . 38 ) shows . The same water network that we use to provide stream- flow information is also used to make many of the.
... natural resources can lead to additional concerns , such as the recent col- lapse of a New York salt mine ( see p . 38 ) shows . The same water network that we use to provide stream- flow information is also used to make many of the.
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... mine sites in the U.S. - Mexico border region ( see p . 47 ) , the USGS is actively engaged in under- standing the conditions and functions of environmental systems and determining the factors that are changing those systems . With this ...
... mine sites in the U.S. - Mexico border region ( see p . 47 ) , the USGS is actively engaged in under- standing the conditions and functions of environmental systems and determining the factors that are changing those systems . With this ...
Page 9
... mine the major causes and consequences of the flood of 1993 , to evaluate the perfor- mance of existing floodplain management and related watershed management pro- grams , to recommend changes in policies and programs , and to achieve ...
... mine the major causes and consequences of the flood of 1993 , to evaluate the perfor- mance of existing floodplain management and related watershed management pro- grams , to recommend changes in policies and programs , and to achieve ...
Page 12
... mine drainage , leaching of waste materials , land subsidence , and accel- erated erosion and sedimentation from disturbed lands . Issues associated with changes to natural systems include accelerated erosion and sedi- mentation and the ...
... mine drainage , leaching of waste materials , land subsidence , and accel- erated erosion and sedimentation from disturbed lands . Issues associated with changes to natural systems include accelerated erosion and sedi- mentation and the ...
Page 30
... mines , methane causes explosions . By extracting coal - bed gas before mining , the potential danger is reduced and an energy resource gained . Another source of unconventional natu- ral gas that has attracted attention is deep gas ...
... mines , methane causes explosions . By extracting coal - bed gas before mining , the potential danger is reduced and an energy resource gained . Another source of unconventional natu- ral gas that has attracted attention is deep gas ...
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activities Administration agencies agricultural aquifer areas Assessment atmosphere Award Bureau Center City City of w coal Colorado comet Commission concentrations contaminant cooperation in earth County Water data sets database debris flows discharge distribution Division DSDL earth science environment Environmental Federal flood floodplain geographic information systems Geological Survey USGS GeoMedia geospatial data global ground-water hazards High Plains hydrologic impact Internet Irrigation KILOMETERS Lake land levees locations maps ment methane Mineral Resources Mississippi River monitoring Mount Rainier Mount Zirkel Wilderness Municipal National natural gas nitrate Northridge earthquake NSDI pesticides petroleum Planning region Reston River Basin Scientific and technical scientists sediment seismic Service South Platte River spatial data studies technical cooperation Telephone tion Transportation U.S. Geological Survey U.S.-Mexico border University users USGS Valley videoconferencing Volunteer Water Conservation District Water District Water Resources