00830cam a22002651 4500 gs 60000298 DLC 20260227111409.0 850511s1960 dcu b f000 0 eng c gs 60000298 (OCoLC)12025299 U. S. Geol. Survey. Libr. TxHR DLC QE75 .C5 no. 430 QE34 .E28 Eckel, Edwin Butt, 1906- Opportunities and responsibilities of earth scientists in the nuclear age. Washington, 1960. 8 p. 27 cm. Geological Survey (U.S.). Circular 430 Prepared on behalf of the U. S. Atomic Energy Commission. Bibliography: p. 4-8. Geology Vocational guidance. Isotope geology. Nuclear energy. 29490 29490