TY  - BOOK
ED  - Conference proceedings on site explorartion in rock
TI  - Proceedings of a conference on site explorartion in rock for underground design and construction: held March 29-31, 1978, at Alexandria, Virginia
U1  - 363.728 
PY  - 1979///
CY  - Washington
PB  - United States Government Printing Office
KW  - Underground disposal
KW  - Design and construction
N1  - Report no. FHWA-TS-79-221
ER  -