Geological Survey (U.S.). (1909). Topographic maps and folios and geologic folios published by U.S. Geological Survey. [publisher not identified].
Chicago Style (17th ed.) CitationGeological Survey (U.S.). Topographic Maps and Folios and Geologic Folios Published by U.S. Geological Survey. Washington, D.C.: [publisher not identified], 1909.
MLA (9th ed.) CitationGeological Survey (U.S.). Topographic Maps and Folios and Geologic Folios Published by U.S. Geological Survey. [publisher not identified], 1909.
Warning: These citations may not always be 100% accurate.