Donald F. Eschman books & textbook
Geology of Michigan
John A. Dorr Donald F. Eschman Derwin Bell
University of Michigan Press: Ann Arbor, Michigan /1970-04-03 Hardcover / 488 Pages
isbn-10: 0472082809 / isbn-13: 9780472082803
Surficial geology of the Athol quadrangle: Worcester and Franklin Counties, Massachusetts (Geological Survey bulletin)
U.S. G.P.O /1966T Unknown Binding / 20 Pages