3 treff

The geology of Cook County, Minnesota
by Frank F. Grout, Robert P.Sharp, George...
Bok Engelsk 1959
The geology of the Cuyana district, Minnesota : a progress report
by Frank F. Grout and J.F. Wolff
Bok Engelsk 1955
Petrography and petrology
Grout, Frank F.
Bok Tysk 1932