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U.S. GEOLOGICAL SURVEY BULLETIN 1917-T · UNITED STATES GOVERNMENT PRINTING OFFICE: 1996 For sale by U.S. Geological Survey, Information Services Box 25286, Federal Center Denver,
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Maps of the United States - USGS · Coal Geothermal Gradient ... Historical maps of the United States can be found ... SGS Information Scr ices Box 25286 Denver.
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Chemistry of Ground Water in the Silver Springs Basin, Florida, … · 2005. 3. 3. · For sale by U.S. Geological Survey, Information Services Box 25286, Denver Federal Center Denver,
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