United States Geological Survey YearbookU.S. Geological Survey, 1994 - Geology |
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... energy , and mineral resources in the future ? In what ways are we irreversibly altering our natural environment when we use these resources ? How has the global environment changed over geologic time , and what can the past tell us ...
... energy , and mineral resources in the future ? In what ways are we irreversibly altering our natural environment when we use these resources ? How has the global environment changed over geologic time , and what can the past tell us ...
Page
... energy , we need as a Nation to be looking at the broadest spectrum of potential resources , as the article on the future of energy gases attests ( see p . 29 ) . The use of natural resources can lead to additional concerns , such as ...
... energy , we need as a Nation to be looking at the broadest spectrum of potential resources , as the article on the future of energy gases attests ( see p . 29 ) . The use of natural resources can lead to additional concerns , such as ...
Page 11
... energy variations within the flood on both the engineered environment and the natural floodplain . Levees . - The location of levees on the floodplain clearly affects their effectiveness and durability . The sections of levees that are ...
... energy variations within the flood on both the engineered environment and the natural floodplain . Levees . - The location of levees on the floodplain clearly affects their effectiveness and durability . The sections of levees that are ...
Page 12
... energy extraction , and human - induced changes to natural systems . Issues associated with urbanization include flooding , ground failure , shrinking and swelling soils , subsidence , earthquakes , and extraction of construc- tion ...
... energy extraction , and human - induced changes to natural systems . Issues associated with urbanization include flooding , ground failure , shrinking and swelling soils , subsidence , earthquakes , and extraction of construc- tion ...
Page 15
... energy flows caused extensive deep scour and thick sand deposition across prime agricultural bottomlands . In contrast , levee breaches along the middle Mississippi River produced fewer areas of intense erosion and sedimenta- tion , and ...
... energy flows caused extensive deep scour and thick sand deposition across prime agricultural bottomlands . In contrast , levee breaches along the middle Mississippi River produced fewer areas of intense erosion and sedimenta- tion , and ...
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