TY - BOOK AU - Lewis, Mark R. AU - Haeni, F. P. CN - QE75 CN - Z6033.R62 CN - QE604 CN - QE75 CY - Washington : DA - 1987. ID - 120816 KW - Rocks KW - Prospecting LK - http://purl.access.gpo.gov/GPO/LPS102074 N1 - "Prepared in cooperation with U.S. Department of Energy." N1 - Shipping list no.: 87-0128-P. PB - U.S. G.P.O., PP - Washington : PY - 1987. T1 - The use of surface geophysical techniques to detect fractures in bedrock :an annotated bibliography / TI - The use of surface geophysical techniques to detect fractures in bedrock :an annotated bibliography / UR - http://purl.access.gpo.gov/GPO/LPS102074 VL - 987 ER -