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1by Atwood, Wallace Walter, 1872-1949Subjects: “...Glaciology Colorado....”
Published 1916
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2Relation of landslides and glacial deposits to reservoir sites in the San Juan Mountains, Colorado /by Atwood, Wallace Walter, 1872-1949Subjects: “...Glaciology San Juan Mountains (Colo. and N.M.)...”
Published 1918
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