Aeromagnetic maps. Total intensity aeromagnetic map of La Porte County, Ind., aeromagnetic survey 1947 by W. J. Dempsey, J. R. Henderson, R. T. Duffner. Scale 1m.=1 in., contour interval 10 gammas, n. p.
Publication Title:
Total intensity aeromagnetic map of La Porte County, Ind., aeromagnetic survey 1947 by W. J. Dempsey, J. R. Henderson, R. T. Duffner. Scale 1m.=1 in., contour interval 10 gammas, n. p.
Display Title:
Aeromagnetic maps. Total intensity aeromagnetic map of La Porte County, Ind., aeromagnetic survey 1947 by W. J. Dempsey, J. R. Henderson, R. T. Duffner. Scale 1m.=1 in., contour interval 10 gammas, n. p.
Series Title:
Aeromagnetic 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:
1949
Publish Date ISO Format:
1949-01-01T00:00:00Z
Publication Start:
19490101
Publication End:
19491231
Corporate/Agency Author:
Geological Survey
Publication month:
13
Publication year:
1949
SuDoc number:
I 19.25:In 2/2
Description:
37X24 in.
Notes:
[Geophysical investigations. Prepared in cooperation with Indiana Department of Conservation, Division of Geology.]
Notes:
[Geophysical investigations. Prepared in cooperation with Indiana Department of Conservation, Division of Geology.] † Distribution Made by Issuing Office. 15c. each.