List of permissible mine equipment approved to January 1, 1942

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100 1 ‡aIlsley, L. C. ‡q(Lee Clyde), ‡d1880- ‡0http://id.loc.gov/authorities/names/nr2002044572 ‡1http://id.loc.gov/rwo/agents/nr2002044572 ‡1http://viaf.org/viaf/2408782 ‡1http://isni.org/isni/0000000054391861
245 1 0 ‡aList of permissible mine equipment approved to January 1, 1942 / ‡cby L.C. Ilsley.
260 ‡aWashington, D.C. : ‡bU.S. Dept. of the Interior, Bureau of Mines, ‡c1942.
300 ‡a35 p. ; ‡c27 cm.
336 ‡atext ‡btxt ‡2rdacontent
337 ‡acomputer ‡bc ‡2rdamedia
338 ‡aonline resource ‡bcr ‡2rdacarrier
490 0 ‡aInformation circular / Bureau of Mines ; ‡v7207
538 ‡aMode of access: Internet.
650 0 ‡aCoal mines and mining ‡xSafety measures. ‡0http://id.loc.gov/authorities/subjects/sh85027377
650 0 ‡aExplosives. ‡0http://id.loc.gov/authorities/subjects/sh85046474
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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