Geology and submarine physiography of Amchitka Island Alaska : investigations of Alaskan vocanoes /

Autor Powers, Howard A., 1904-1994, Coats, Robert Roy, 1910-1995, Nelson, Willis H. 1920-2010
Vydáno 1960

Geologic reconnaissance of Kiska Island Aleutian Islands, Alaska /

Autor Coats, Robert Roy, 1910-1995, Nelson, Willis H. 1920-2010, Lewis, Richard Q., Powers, Howard A., 1904-1994
Vydáno 1961

Geology of the Duck Creek Pass quadrangle Montana : contributions to general geology /

Autor Nelson, Willis H. 1920-2010
Vydáno 1963

Geology of the Bonner quadrangle Montana /

Autor Nelson, Willis H. 1920-2010, Dobell, Joseph P.
Vydáno 1961

Geology and mineral resources of the North Absaroka Wilderness and vicinity, Park County, Wyoming : an evaluation of the mineral potential of the area /

Autor Nelson, Willis H. 1920-2010, Prostka, Harold J., Williams, Frank E., Elliott, James E., Peterson, Donald L., 1928-
Vydáno 1980