Reconnaissance investigation of Uranium occurrences in the Saratoga area, Carbon County, Wyoming /

Autor Stephens, James G., Bergin, M. J. 1927-
Vydáno 1959

Coal geology of the Seitz quadrangle Breathitt, Magoffin, Morgan, and Wolfe Counties, Kentucky /

Autor Bergin, M. J. 1927-
Vydáno 1962

Bedrock geology of the Penn Yan and Keuka Park quadrangles, New York /

Autor Bergin, M. J. 1927-
Vydáno 1964