1968 GS-SWCP
The 1968 GS-SWCP black and white (panchromatic) aerial project was acquired by the U.S. Geological Survey (USGS) at a scale of 1:20,500.
The 1968 GS-SWCP black and white (panchromatic) aerial project was acquired by the U.S. Geological Survey (USGS) at a scale of 1:20,500.
