TY  - BOOK
T1  - Mineral resource research and activities of the State Geological Survey, 1952-1953.
DA  - 1954.
CY  - Urbana,
AU  - Leighton, Morris M.
VL  - no. 186
CN  - QE105 .A45 no.186
CN  - QE105
PP  - Urbana,
PY  - 1954.
N1  - "Reprinted from the annual report of the Chief to the Director, Dept. of Registration and Education.
N1  - Board of Natural Resources and Conservation, p. [51]-54.
ID  - 110860
KW  - Geological surveys
KW  - Mines and mineral resources
TI  - Mineral resource research and activities of the State Geological Survey, 1952-1953.
ER  -