APA (7th ed.) Citation

(1983). Geologic and structural maps and sections of the Marshall Pass mining district, Saguache, Gunnison and Chaffee Counties, Colorado. U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Geologic and Structural Maps and Sections of the Marshall Pass Mining District, Saguache, Gunnison and Chaffee Counties, Colorado. Reston, VA: U.S. Geological Survey, 1983.

MLA (9th ed.) Citation

Geologic and Structural Maps and Sections of the Marshall Pass Mining District, Saguache, Gunnison and Chaffee Counties, Colorado. U.S. Geological Survey, 1983.