Geophysical investigations, maps. Total intensity aeromagnetic map of Elkhart County, Ind., aeromagnetic survey 1947 by W. J. Dempsey, J. R. Henderson. R. T. Duffner. Scale 1 m.= 1 in., contour interval 10 gammas, n. p.
Publication Title:
Total intensity aeromagnetic map of Elkhart County, Ind., aeromagnetic survey 1947 by W. J. Dempsey, J. R. Henderson. R. T. Duffner. Scale 1 m.= 1 in., contour interval 10 gammas, n. p.
Display Title:
Geophysical investigations, maps. Total intensity aeromagnetic map of Elkhart County, Ind., aeromagnetic survey 1947 by W. J. Dempsey, J. R. Henderson. R. T. Duffner. Scale 1 m.= 1 in., contour interval 10 gammas, n. p.
Series Title:
Geophysical investigations, maps.
Corporate Agency Authors:
Geological Survey and Interior Dept.
Sort Author:
Geological Survey
Authors:
Dempsey, W. J., Henderson, J. R., and Duffner, R. T.
Date:
1950
Publish Date ISO Format:
1950-01-01T00:00:00Z
Publication Start:
19500101
Publication End:
19501231
Corporate/Agency Author:
Geological Survey
Publication month:
13
Publication year:
1950
SuDoc number:
I 19.25:In 2/8
Description:
23×26 in.
Notes:
[Prepared in cooperation with Indiana Conservation Department, Geology Division.]
Notes:
[Prepared in cooperation with Indiana Conservation Department, Geology Division.] † Distribution Made by Issuing Office. 15c.