APA (7th ed.) Citation

Não informado. Topographic instructions of the United States Geological Survey. U.S. Department of the Interior.

Chicago Style (17th ed.) Citation

Não informado. Topographic Instructions of the United States Geological Survey. Washington: U.S. Department of the Interior.

MLA (8th ed.) Citation

Não informado. Topographic Instructions of the United States Geological Survey. U.S. Department of the Interior.

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