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1Published 1997Government Document Conference Proceeding Microform Book
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8Published 1987Government Document Conference Proceeding Microform Book
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17Relation of landslides and glacial deposits to reservoir sites in the San Juan Mountains, Colorado /by Atwood, Wallace Walter, 1872-1949Get full text
Published 1918
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18by White, George W. (George Willard), 1903-1985Get full text
Published 1960
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