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Abandoned mines -- Environmental aspects -- Colorado -- Clear Creek County. : Main Stacks  2010 1
Acid mine drainage -- Environmental aspects -- Colorado -- Clear Creek County. : Main Stacks  2010 1
Atmospheric deposition -- Colorado -- Clear Creek County. : Government Documents  1999 1
Clear Creek County (Colo.)   3
Clear Creek County (Colo.) -- Maps.   9
Clear Creek County (Colo.) -- Maps, Topographic.   4
Engineering geology -- Colorado -- Clear Creek County. : Internet  1974 1
Forest soils -- Colorado -- Clear Creek County.   2
Geochemical prospecting -- Colorado -- Clear Creek County.   5
Geochemical prospecting -- Colorado -- Clear Creek County -- Maps. : Maps  1985 1
Geology -- Colorado -- Clear Creek County.   10
Geology -- Colorado -- Clear Creek County -- Maps.   4
Gneiss -- Colorado -- Clear Creek County.   2
Gold ores -- Colorado -- Clear Creek County.   3
Gravity stations -- Colorado -- Clear Creek County. : Government Documents  1982 1
Igneous rocks -- Colorado -- Clear Creek County. : Internet  1960 1
Land titles -- Registration and transfer -- Colorado -- Clear Creek County.   3
Landslides -- Colorado -- Clear Creek County.   3
Mines and mineral resources -- Colorado -- Clear Creek County.   3
Ore deposits -- Colorado -- Clear Creek County.   10
Petrology -- Colorado -- Clear Creek County.   4
Public lands -- Colorado -- Clear Creek County.   3
Radioactive substances -- Colorado -- Clear Creek County.   2
Geochemistry -- Colorado -- Clear Creek County Region. : Internet  2004 1
Mine drainage -- Colorado -- Clear Creek County Region. : Internet  2004 1
Mines and mineral resources -- Waste disposal -- Environmental aspects -- Colorado -- Clear Creek Co : Internet  2004 1
Spoil banks -- Environmental aspects -- Colorado -- Clear Creek County Region. : Internet  2004 1
Roads -- Design and construction -- Environmental aspects -- Colorado -- Clear Creek County. : Government Documents  1997 1
Rutile -- Colorado -- Clear Creek County.   2
Topaz -- Colorado -- Clear Creek County.   2
Uraninite -- Colorado -- Clear Creek County. : Internet  1952 1
Uranium ores -- Colorado -- Clear Creek County. : Internet  1952 1
Water quality -- Colorado -- Clear Creek County.   2
Education -- Texas -- Clear Creek -- Evaluation. : Government Documents  2003 1
Educational planning -- Texas -- Clear Creek. : Government Documents  2003 1
Clear Creek Independent School District -- Evaluation. : Government Documents  2003 1
Public schools -- Texas -- Clear Creek -- Evaluation. : Government Documents  2003 1
Debris avalanches -- Colorado -- Clear Creek Region (Clear Creek County) -- Guidebooks. : Internet  2002 1
Geology -- Colorado -- Clear Creek Region (Clear Creek County) -- Guidebooks. : Internet  2002 1
Off-road vehicles -- Law and legislation -- California -- Clear Creek Region (San Benito County)   2
Recreation areas -- Law and legislation -- California -- Clear Creek Region (San Benito County)   2
Environmental impact statements -- California -- Clear Creek (San Benito County) : Internet  2013 1
Natural resources -- California -- Clear Creek (San Benito County) -- Management. : Internet  2013 1
Off-road vehicles -- Law and legislation -- California -- Clear Creek (San Benito County)   3
Recreation areas -- Law and legislation -- California -- Clear Creek (San Benito County)   3
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