APA (7th ed.) Citation

(1972). Map showing ground-water potential in the Aspen quadrangle, Pitkin county, Colorado. U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Map Showing Ground-water Potential in the Aspen Quadrangle, Pitkin County, Colorado. Washington, D.C: U.S. Geological Survey, 1972.

MLA (9th ed.) Citation

Map Showing Ground-water Potential in the Aspen Quadrangle, Pitkin County, Colorado. U.S. Geological Survey, 1972.

Warning: These citations may not always be 100% accurate.