TY - BOOK AU - White,Max Gregg TI - Radioactivity of selected rocks and placer concentrates from northeastern Alaska T2 - Geological Survey circular 195 AV - QE75 .C5 no. 195 U1 - 553.49 PY - 1952/// CY - Washington KW - Radioactive substances KW - Mines and mineral resources KW - Alaska N1 - Bibliographies included ER -