Fracturing hard rock with nuclear explosives and extraction of ore by a modified block-caving method

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086 0 ‡aI 28.23:7391
100 1 ‡aHardwick, W. R. ‡q(William R.) ‡0http://id.loc.gov/authorities/names/no2024096127 ‡1http://id.loc.gov/rwo/agents/no2024096127
245 1 0 ‡aFracturing hard rock with nuclear explosives and extraction of ore by a modified block-caving method / ‡cby W.R. Hardwick.
260 ‡a[Washington, D.C.] : ‡bU.S. Dept. of Interior, Bureau of Mines, ‡c[1970]
300 ‡a18 p. : ‡bill. ; ‡c26 cm.
336 ‡atext ‡btxt ‡2rdacontent
337 ‡acomputer ‡bc ‡2rdamedia
338 ‡aonline resource ‡bcr ‡2rdacarrier
490 0 ‡aReport of investigations / United States Department of the Interior, Bureau of Mines ; ‡v7391
500 ‡a"June 1970"--Cover.
500 ‡aBased on work done in cooperation with the San Francisco Operations Office, U.S. Atomic Energy Commission.
504 ‡aIncludes bibliographical references.
538 ‡aMode of access: Internet.
650 0 ‡aMining engineering. ‡0http://id.loc.gov/authorities/subjects/sh85085712
650 0 ‡aExplosives. ‡0http://id.loc.gov/authorities/subjects/sh85046474
710 2 ‡aU.S. Atomic Energy Commission. ‡bSan Francisco Operations Office. ‡0http://id.loc.gov/authorities/names/n84131984 ‡1http://id.loc.gov/rwo/agents/n84131984
710 1 ‡aUnited States. ‡bBureau of Mines. ‡0http://id.loc.gov/authorities/names/n79063444 ‡1http://id.loc.gov/rwo/agents/n79063444
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