La Plata folio, Colorado
By: [By Whitman Cross, Arthur Coe Spencer and Chester Wells Purington]
Series: U.S. Geological Survey. Geologic atlas of the United States -- no. 60; Geologic atlas of the United States -- fol. 60
Publisher: U.S. Geological Survey
Published: 1899
Place of publication: Washington, D.C
Language: eng
Number of pages: 14
Subjects: Geology; Maps