1977 GS-VELP
The 1977 GS-VELP black and white (panchromatic) aerial project was acquired by the U.S. Geological Survey (USGS) at a scale of 1:80,000.
The 1977 GS-VELP black and white (panchromatic) aerial project was acquired by the U.S. Geological Survey (USGS) at a scale of 1:80,000.
