Topographic instructions of the United States geological survey.

APA Citation

Geological Survey (U.S.). (1918). Topographic instructions of the United States geological survey. ed. of 1918. Washington: Govt. print. off..

MLA Citation

Geological Survey (U.S.). Topographic Instructions of the United States Geological Survey. ed. of 1918. Washington: Govt. print. off., 1918.

Warning: These citations may not always be complete (especially for serials).