APA (7th ed.) Citation

Geological Survey. (1969). Aeromagnetic map of the McNair-Grand Portage area, northeastern Minnesota. The Survey.

Chicago Style (17th ed.) Citation

Geological Survey. Aeromagnetic Map of the McNair-Grand Portage Area, Northeastern Minnesota. Washington, D.C.: The Survey, 1969.

MLA (8th ed.) Citation

Geological Survey. Aeromagnetic Map of the McNair-Grand Portage Area, Northeastern Minnesota. The Survey, 1969.

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