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1
Permian or "permo-carboniferous" of the eastern foothills of the Rocky Mountains in Colorado /
Published 1913Thesis Book -
2
The geology of the Ward region, Boulder County, Colorado /
Published 1920Government Document Thesis Book -
3
Debris-flow origin of high-level sloping surfaces on the northern flanks of Battlement Mesa, and surficial geology of parts of the North Mamm Peak, Rifle, and Rulison quadrangles,...
Published 1993Online Access
Government Document Thesis Electronic eBook -
4
Twin lakes district of Colorado
Published 1919Online Access
Government Document Thesis Electronic eBook