01898cas a2200397 a 4500009033730MiAaHDL20170214000000.0m d cr bn ---auaua760810d19131916couar s0 a0eng dsn 93040043sdr-osu.b4616912xsdr-njp.9920153893506421.b4616912xUDIUDINYGmscn-us-coOSUUTN805.C6A2TN805.C6A2338.272C6982(OCoLC)2363206Colorado.State Coal Mining Department.Annual report of the state inspector of coal mines.Denver, Colo. :The Department,1913-1916.Annual.1st(1913)-4th(1916)Mode of access: Internet.Coal mines and miningColoradoPeriodicals.Colorado. State Coal Mining Dept.Biennial report of the state inspector of coal mines(OCoLC)2363176(DLC)sn 93040044.Colorado. Coal Mine Inspection Dept.Annual report of the state inspector of coal mines(OCoLC)2367280(DLC)sn 93040042.00903373019970627101634.020170214000000.020170214090644.02025-07-08T18:02:19Z2025-07-08T17:30:02ZSDR-OSUIII - SIERRAprepare.pl-004-007SEsdr-osu.b4616912xosuSDROSUosu.32435056440613OU1914 1914.b4616912xOUOSU20250708googleosu.324350564406131914 19141914pdbibUS serial item date < 1931OUOSU20250708googleosu.324350623413831915 19151915pdbibUS serial item date < 1931OUOSU20250708googleosu.324350623417891917 19171917pdbibUS serial item date < 1931NJPNJP20250719googlenjp.321010767927691913 1st1913pdbibUS serial item date < 1931NJPNJP20250719googlenjp.321010767927771916 4th1916pdbibUS serial item date < 1931