01523cam a2200361 a 4500005890063MiAaHDL20250726000000.0m d cr bn ---auaua870615s1987 paua f000 0 eng (MiU)990058900630106381sdr-miu.990058900630106381(MiU)MIU01000000000000005890063-goog(OCoLC)16131688(MiU)Aleph005890063DLCDLCGPOBTCTAUSBMIUtOrBLWn-us---USBI637-A (MF):I28.27:9157Welsh, Jeffrey H.Suggested minimum performance specifications for underground coal mine environmental monitoring systems /by J.H. Welsh, A.F. Cohen, and J.E. Chilton.[Pittsburgh, Pa.] :U.S. Dept. of the Interior, Bureau of Mines,[1987]39 p. :ill. ;28 cm.texttxtrdacontentunmediatednrdamediavolumencrdacarrierInformation circular / United States Department of the Interior, Bureau of Mines ;9157Bibliography: p. 27-28.Mode of access: Internet.Environmental monitoring.http://id.loc.gov/authorities/subjects/sh85044194Coal mines and miningEnvironmental aspects.http://id.loc.gov/authorities/subjects/sh2009120489Chilton, J. E.Cohen, A. F.3901507846552600589006320241218040324.020250726000000.020260303140653.02026-03-04T07:33:25Z2026-03-01T18:30:03ZSDR-MIUmiuALMAprepare.pl-004-009BKsdr-miu.990058900630106381MiUSDRGWLA005890063mdp.39015078465526MIU990058900630106381MIUGWLA20260304googlemdp.390150784655261987pdbibUS fed doc