Coates, D. F. creator author text Ottawa Information Canada 1970 [3rd ed.] rev. monographic eng

print

x, various pagings .: graph, illustrations .; 28 cm by D. F. Coates "Mines Branch monograph 874 (Revised 1970)" Includes bibliographical references. Rock mechanics 624.1513 COA 1970 260821 20260821091209.0 0000000866 Eng