Stratigraphy of the Niagaran Series of the Northern Peninsula of Michigan /

Autor Ehlers, George Marion
Vydáno 1973

Geology of central Dickinson County, Michigan /

Autor James, H. L. 1912-2000, Clark, Lorin D., 1918-1977, Lamey, Carl A. 1892-1985, Pettijohn, F. J. 1904-1999, Freedman, Jacob, Trow, James, Wier, K. L.
Vydáno 1961

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

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