Mining with a Dosco continuous miner on a longwall face

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086	0	⊔	‡aI 28.27:7698
100	1	⊔	‡aStahl, R. Ward.
245	1	0	‡aMining with a Dosco continuous miner on a longwall face / ‡cby R.W. Stahl and J.J. Dowd.
260	⊔	⊔	‡a[Washington, D.C.] : ‡bU.S. Dept. of the Interior, Bureau of Mines, ‡c[1954]
300	⊔	⊔	‡a11 p. : ‡bill. ; ‡c27 cm.
336	⊔	⊔	‡atext ‡btxt ‡2rdacontent
337	⊔	⊔	‡acomputer ‡bc ‡2rdamedia
338	⊔	⊔	‡aonline resource ‡bcr ‡2rdacarrier
490	0	⊔	‡aInformation circular / United States Department of the Interior, Bureau of Mines ; ‡v7698
500	⊔	⊔	‡a"Int. - Bu. of Mines, Pgh., Pa. 6272"--p. 11.
500	⊔	⊔	‡a"September 1954."
504	⊔	⊔	‡aIncludes bibliographical references.
538	⊔	⊔	‡aMode of access: Internet.
650	⊔	0	‡aCoal-mining machinery. ‡0http://id.loc.gov/authorities/subjects/sh85027388
650	⊔	0	‡aLongwall mining ‡xEquipment and supplies.
700	1	⊔	‡aDowd, James J.
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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