You searched for: Subject Geological maps Remove constraint Subject: Geological maps Collection Michigan State University Map Library Remove constraint Collection: Michigan State University Map Library Year 1933 Remove constraint Year: 1933
1933. United States Bureau of Soils. Relief shown by contours and spot heights. "Contour interval 10 and 20 feet." "Mark Baldwin, Inspector, District 1. Soils surveyed by J.O. Veatch, ...