Uranium in some rocks of Pennsylvanian age in Oklahoma, Kansas and Missouri /

Autor Hyden, Harold J. 1922-1967, Danilchik, Walter
Vydáno 1962

The Foote Creek and Dutton Creek Formations, two new formations in the north part of the Laramie basin, Wyoming /

Autor Hyden, Harold J. 1922-1967, McAndrews, Harry, Tschudy, Robert H., 1908-1986
Vydáno 1965