Published by Southwest Research Institute, San Antonio, Texas, 1976
Seller: Xochi's Bookstore & Gallery, Truth or consequences, NM, U.S.A.
Paper Back. Condition: Near Fine. No Jacket. apprx.29pp.; SC lt.tan w/blk.staple-bound w/blk.tape on spine(no title on spine); clean,tight pgs. Development of a borehole radar device which would permit the advance detection of geologic anaomalies which could cause hazardous mining conditions. charts&tables. Prepared for US Dept.of Interior/Bureau of Mines Contract No. H0252033. SwRI Project 14-4266.