Author: Geophysical investigations map GP (series). / Publish Year Decade: 1950 - 1959 / Sudoc Stem: I 19.25/2 - Blacklight Search Results

Start Over Author Geophysical investigations map GP (series). Publish Year Decade 1950 - 1959 Sudoc Stem I 19.25/2

1. 46. Total Intensity aeromagnetic map [and accompanying aeromngnetic profiles] of parts of Clearwater. Polk, and Red Lake Counties, Minn., aeromagnetic survey 1947 by J. R. Balsey and M. E. Hill. Scale 1 m. = 1 in. for map and 1 m. = 0.5 in. for profiles, contour interval 50 and 250 gammas, n. p.

Corporate/Agency Authors:: Geophysical investigations map GP (series).
Publisher:: Geophysical investigations map GP (series).
Date:: 1951
SuDoc number:: I 19.25/2:46/sh.1-2