00891cam a22002771 4500 gs 61000034 DLC 20260227111410.0 770502s1960 onca b f000 0 eng c gs 61000034 (OCoLC)2934161 U.S. Geol. Survey. Libr. InMuB InMuB DLC eng fre premarc QE185 .A43 no. 66 622.15 Gregory, Alan Frank, 1926- Geological interpretation of aeroradiometric data, by A. F. Gregory. [Ottawa] Dept. of Mines and Technical Surveys, Canada [1960] x, 29 p. diagrs., tables. 25 cm. Geological Survey of Canada. Bulletin 66 Abstract in English and French. Bibliography: p. 28-29. Radioactive prospecting. Aeroradiometric data. 29514 29514