S.W. S. Dakota-E. Wyoming (SD-WY)

Survey type M-D (magnetic; collected in digital form)
Flown by Geodata
Date flown 04/80-08/80
Line spacing 1 (km)
Altitude 152.4 (m) above ground
Total distance 10,581 (km)
References
Counties Dawes - Sioux - Custer - Fall River - Pennington - Shannon - Niobrara - Weston
Overlapping surveys

Data: Magnetic (M-D)