United States Geological Survey YearbookU.S. Geological Survey, 1994 - Geology |
From inside the book
Results 1-5 of 14
Page 29
... coal to oil . The continuation of that trend can be seen in the increased global use of gas , a fuel with environmental and economic benefits , although coal and oil will almost certainly continue to be major sources of energy well into ...
... coal to oil . The continuation of that trend can be seen in the increased global use of gas , a fuel with environmental and economic benefits , although coal and oil will almost certainly continue to be major sources of energy well into ...
Page 30
... Coal - bed gas is another unconventional resource . Coal is carbon - rich , woody terres- trial plant material that has been compressed and transformed . A byproduct of this trans- formation is methane , and its presence in coal beds is ...
... Coal - bed gas is another unconventional resource . Coal is carbon - rich , woody terres- trial plant material that has been compressed and transformed . A byproduct of this trans- formation is methane , and its presence in coal beds is ...
Page 31
... coal - fired steam plants . Transportation , the second largest energy - consuming sector , depends heavily on gasoline , diesel , and aviation fuels , which are refined from crude oil ( petroleum ) . Technological developments that ...
... coal - fired steam plants . Transportation , the second largest energy - consuming sector , depends heavily on gasoline , diesel , and aviation fuels , which are refined from crude oil ( petroleum ) . Technological developments that ...
Page 32
... coal and oil , although the relative effi- ciencies and cleanliness of the technologies consuming the fuels are also important . How- ever , cessation of fossil - fuel burning would not immediately affect the atmosphere . Because the ...
... coal and oil , although the relative effi- ciencies and cleanliness of the technologies consuming the fuels are also important . How- ever , cessation of fossil - fuel burning would not immediately affect the atmosphere . Because the ...
Page 47
... coal- or oil - fired power stations . Mineral occurrences and abandoned mine sites may be sources for acid - mine drainage and elevated levels of toxic trace elements in soils and ground · 36 ° 30 water . Mineral materials such as ...
... coal- or oil - fired power stations . Mineral occurrences and abandoned mine sites may be sources for acid - mine drainage and elevated levels of toxic trace elements in soils and ground · 36 ° 30 water . Mineral materials such as ...
Other editions - View all
Common terms and phrases
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