Author: Geological Survey / Publisher: Geological Survey / Sudoc Stem: I 19.28 - Blacklight Search Results

Start Over Author Geological Survey Publisher Geological Survey Sudoc Stem I 19.28

1. Geophysical investigations, maps. Total intensity aeromagnetic map of St. Joseph 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.

Corporate/Agency Authors:: Geological Survey and Interior Dept.
Publisher:: Geological Survey
Date:: 1950
SuDoc number:: I 19.28:In 2/10

2. Oil and gas investigations, preliminary map. 100. Early Silurian rocks of northern Appalachian Basin [with text]; by Gordon Rittenhouse n. p.

Corporate/Agency Authors:: Geological Survey and Interior Dept.
Publisher:: Geological Survey
Date:: 1949
SuDoc number:: I 19.28:Oi 5/5/prelim.map 100