Uranium resources of the San Rafael district, Emery County, Utah - a regional synthesis : contributions to the geology of uranium /

Autor Johnson, Henry S., 1926-
Vydáno 1957

Uranium deposits of the Moab, Monticello, White Canyon and Monument Valley districts Utah and Arizona : contributions to economic geology /

Autor Johnson, Henry S., 1926-, Thordarson, William
Vydáno 1966