Total intensity aeromagnetic map of DuBois County, Indiana relative to arbitrary datum
Description
Includes text and location map., Imprint: [Washington, D.C.] : U.S. Geological Survey, 1950., Scale: 1:63,360; Dimensions: 57 x 64 cm, Coordinates: W0870423 W0864044 N0383135 N0381210
Henderson, John R., Meuschke, J. L. (1950). Total intensity aeromagnetic map of DuBois County, Indiana relative to arbitrary datum. Geological Survey (U.S.). https://purl.dlib.indiana.edu/iudl/images/VAC3073/VAC3073-M-00835 (map)