TY  - BOOK
T1  - Mineral resource research and activities of the State Geological Survey, 1951-1952.
DA  - 1952.
CY  - Urbana,
AU  - Leighton, Morris M.
CN  - QE105
CN  - QE105
PP  - Urbana,
PY  - 1952.
ID  - 18285
KW  - Geological surveys
KW  - Mines and mineral resources
TI  - Mineral resource research and activities of the State Geological Survey, 1951-1952.
ER  -