White, Max Gregg, 1916- Reconnaissance for radioactive deposits in the Ruby-Poorman and Nixon Fork districts, west-central Alaska, 1949, by Max G. White and John M. Stevens. - Washington, 1953. - iii, 19 p. maps, tables. 27 cm. - Geological Survey circular, 279 . Bibliography: p. 19. LCCN: gs 53000249 Subjects--Topical Terms: Radioactive substances.Mineralogy--Alaska. LC Class. No.: QE75 / .C5 no. 279 Dewey Class. No.: 553.49