Bibliography of iron ore resources of the world (to January 1955) : contributions to bibliography of mineral resources /

Autor Luttrell, Gwendolyn Lewise Werth, 1927-2009
Vydáno 1957

Geologic names of the United States through 1975 /

Autor Swanson, Roger Warren, 1914-, Hubert, Marilyn L., Luttrell, Gwendolyn Lewise Werth, 1927-2009, Jussen, Virginia M.
Vydáno 1981