Geophysical investigations, maps. Aeromagnetic survey of parts of Baraga, Iron, and Houghton Counties, Mich., with preliminary geologic interpretation [with text]; by J. R. Balsley, H. L James, and K. L. Wler. Aeromagnetic survey in 1947 by J. R. Balsley and M. E. Hill, Scale 1 m. = 0.3 in. n. p.
Publication Title:
Aeromagnetic survey of parts of Baraga, Iron, and Houghton Counties, Mich., with preliminary geologic interpretation [with text]; by J. R. Balsley, H. L James, and K. L. Wler. Aeromagnetic survey in 1947 by J. R. Balsley and M. E. Hill, Scale 1 m. = 0.3 in. n. p.
Display Title:
Geophysical investigations, maps. Aeromagnetic survey of parts of Baraga, Iron, and Houghton Counties, Mich., with preliminary geologic interpretation [with text]; by J. R. Balsley, H. L James, and K. L. Wler. Aeromagnetic survey in 1947 by J. R. Balsley and M. E. Hill, Scale 1 m. = 0.3 in. n. p.
Series Title:
Geophysical investigations, maps.
Corporate Agency Authors:
Geological Survey and Interior Dept.
Sort Author:
Geological Survey
Authors:
Balsley, J. R., James, H. L, and Wler, K. L.
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:M 582/949
Description:
49 X 39 in.
Notes:
[Prepared in cooperation with Michigan Conservation Department, Geological Survey Division.]
Notes:
[Prepared in cooperation with Michigan Conservation Department, Geological Survey Division.] † Distribution Made by Issuing Office. 30c.