Geology of the Marquette and Sands Quadrangles Marquette County Michigan /

Autor Gair, Jacob Eugene, 1922-1998, Thaden, Robert E., 1924-
Vydáno 1968

Stratigraphy of pre-Keweenawan rocks in parts of northern Michigan /

Autor James, H. L. 1912-2000
Vydáno 1958