Reconnaissance for radioactivity in the metal-mining districts of the San Juan Mountains, Colorado /

Autor Pierson, C. T.
Vydáno 1958

The 1987 Estimate of Undiscovered Uranium Endowment in Solution-Collapse Breccia Pipes in the Grand Canyon Region of Northern Arizona and Adjacent Utah /

Autor Finch, Warren Irvin, 1924-2014, Wenrich, K. J., Sutphin, H. B., Pierson, C. T., McCammon, R. B.
Vydáno 1990