TY  - BOOK
AU  - Heacock,John G.
ED  - Symposium on the Nature and Physical Properties of the Earth's Crust
ED  - Colorado School of Mines
ED  - United States.
TI  - The Earth's crust: its nature and physical properties 
SN  - 0875900208
PY  - 1977///
CY  - Washington
PB  - American Geophysical Union
KW  - Geophysics
KW  - Congresses
KW  - Earth
KW  - Crust
N1  - Papers presented at a symposium sponsored by the Office of Naval Research and the Colorado School of Mines; Includes bibliographies and index
ER  -