01558cam a2200385Ia 4500006866793MiAaHDL20250726000000.0m d cr bn ---auaua000427s1943 dcu bt f000 0 eng d(MiU)990068667930106381sdr-miu.990068667930106381(MiU)MIU01000000000000006866793-goog(OCoLC)43938986(MiU)Aleph006866793PMHPMHLHLUSBMIUtOrBLWn-us---USBII 28.27:7231United States.Bureau of Mines.http://id.loc.gov/authorities/names/n79063444http://id.loc.gov/rwo/agents/n79063444Tentative inspection standards for anthracite mines /[by the U.S. Bureau of Mines].[Washington, D.C.] :U.S. Dept. of the Interior, Bureau of Mines,1943.42 p. ;27 cm.texttxtrdacontentcomputercrdamediaonline resourcecrrdacarrierInformation circular / United States Department of the Interior, Bureau of Mines ;7231"January 1943."Cover title.Includes bibliographical references.Mode of access: Internet.Anthracite coal industryStandardsUnited States.Coal mines and miningSafety regulationsUnited States.http://id.loc.gov/authorities/subjects/sh2009120499Mine inspectionStandardsUnited States.3901507757080500686679320241218084509.020250726000000.020260311140653.02026-03-12T08:03:36Z2026-03-01T18:30:03ZSDR-MIUmiuALMAprepare.pl-004-009BKsdr-miu.990068667930106381MiUSDRGWLA006866793mdp.39015077570805MIU990068667930106381MIUGWLA20260312googlemdp.390150775708051943pdbibUS fed doc