Laserfiche WebLink
«,vENT 0 ly <br />lr '1. <br />0 <br />N <br />-D <br />3^?''?y• BLASTING GUID <br />4MANUAL <br />?F <br />qrE <br />ANCE <br />By Michael F. Rosenthal and Gregory L. Morlock <br />With contributions by John L. H. Simmance, <br />James W. Reil, G. Alan Foster, <br />Thomas W. Novotny, and Dennis A. Clark <br />March 1987 <br />Office of Surface Mining Reclamation and Enforcement <br />UNITED STATES DEPARTMENT OF THE INTERIOR <br />