TY  - BOOK
T1  - Earth science in the public service :a symposium presented during dedication ceremonies, U.S. Geological Survey National Center, Reston, Virginia, July 10-13, 1974.
DA  - 1974.
CY  - Washington :
VL  - 921
CN  - QE75
CN  - QE47.A1
CN  - QE75
PB  - U.S. Govt. Print. Off.,
PP  - Washington :
PY  - 1974.
N1  - "Contributions from: Canada Department of Energy, Mines and Resources [and 14 others]."
ID  - 226586
KW  - Earth sciences and state
TI  - Earth science in the public service :a symposium presented during dedication ceremonies, U.S. Geological Survey National Center, Reston, Virginia, July 10-13, 1974.
ER  -