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 Institution Michigan State Remove constraint Institution: Michigan State
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, ...