Topic: Geology -- United States - Institutions - Michigan Memories Search Results

Start Over

You searched for: Topic Geology -- United States

« Previous | 11 - 11 of 11 | Next »

List Map Gallery

11. Report of the Geological Exploration of the Fortieth Parallel, made by order of the Secretary of War according to acts of Congress of March 2, 1867, and March 3, 1869 / under the direction of A. A. Humphreys by Clarence King.