APA (7th ed.) Citation

(1978). Leasable mineral and waterpower land classification map of the Great Falls 1 ̊x 2 ̊quadrangle, Montana. U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Leasable Mineral and Waterpower Land Classification Map of the Great Falls 1 ̊x 2 ̊quadrangle, Montana. Washington, D.C: U.S. Geological Survey, 1978.

MLA (9th ed.) Citation

Leasable Mineral and Waterpower Land Classification Map of the Great Falls 1 ̊x 2 ̊quadrangle, Montana. U.S. Geological Survey, 1978.