Geophysical investigations preliminary maps. 4, pl. 2. Aeromagnetic map of part of northwestern Indiana showing regional anomalies in total intensity; data by W. J. Dempsey, M. E. Hill, and J. R. Henderson, compilation by J. R. Henderson. Scale 2.5 in.=4 m., contour interval 25 gammas. n. p.
Publication Title:
Aeromagnetic map of part of northwestern Indiana showing regional anomalies in total intensity; data by W. J. Dempsey, M. E. Hill, and J. R. Henderson, compilation by J. R. Henderson. Scale 2.5 in.=4 m., contour interval 25 gammas. n. p.
Display Title:
Geophysical investigations preliminary maps. 4, pl. 2. Aeromagnetic map of part of northwestern Indiana showing regional anomalies in total intensity; data by W. J. Dempsey, M. E. Hill, and J. R. Henderson, compilation by J. R. Henderson. Scale 2.5 in.=4 m., contour interval 25 gammas. n. p.
Series Title:
Geophysical investigations preliminary maps.
Corporate Agency Authors:
Geological Survey and Interior Dept.
Sort Author:
Geological Survey
Authors:
Dempsey, W. J., Hill, M. E., and Henderson, J. R.
Date:
1947
Publish Date ISO Format:
1947-01-01T00:00:00Z
Publication Start:
19470101
Publication End:
19471231
Corporate/Agency Author:
Geological Survey
Publication month:
13
Publication year:
1947
SuDoc number:
I 19.25/2:(nos.)
Description:
18X21 in.
Notes:
ø Received late; no copies available at the Division of Public Documents.
Availability:
ø Received late; no copies available at the Division of Public Documents.