Author: Interior Dept. / Catalog Issue Year Decade: 1940 - 1949 / Sudoc Stem: Y 19.12 - Blacklight Search Results

Start Over Author Interior Dept. Catalog Issue Year Decade 1940 - 1949 Sudoc Stem Y 19.12

1. Topographic quadrangle maps. Iowa-Missouri, Mount Ayr quadrangle, lat. 40°30′-40°45′, long. 94°-94°15′. Scale 1:62,500, contour interval 20 ft. n. p.

Corporate/Agency Authors:: Geological Survey and Interior Dept.
Publisher:: Geological Survey
Date:: edition of 1947
SuDoc number:: Y 19.12:15 M 863/947