1972 GS-SWGO
The 1972 GS-SWGO black and white (panchromatic) aerial project was acquired by the U.S. Geological Survey at a scale of 1:20,500.
The 1972 GS-SWGO black and white (panchromatic) aerial project was acquired by the U.S. Geological Survey at a scale of 1:20,500.
