Geology and Water Resources of the San Luis Valley, ColoradoC. E. (Claude Ellsworth) Siebenthal · First published 2015 · Latest edition 2023Open the Tome
Geology and Mineral Resources of the Laramie Basin, WyomingNelson Horatio Darton, Claude Ellsworth Siebenthal · First published 2018Open the Tome
World survey of the zinc industryJames Aquilla Stader, Claude Ellsworth Siebenthal, United States. Bureau of Foreign and Domestic Commerce · First published 1924Open the Tome
Laramie-Sherman folio, WyomingNelson Horatio Darton, Eliot Blackwelder, Claude Ellsworth Siebenthal, Geological Survey (U.S.) · First published 1910Open the Tome
Joplin district folio, Missouri-KansasWilliam Sidney Tangier Smith, Claude Ellsworth Siebenthal, Geological Survey (U.S.) · First published 1907Open the Tome
