Coal mining in Illinois . iningmethods in the mines of each district. Three of the minesthus chosen were dropped from the list for various reasons,but the remaining 97 were examined in great detail. The en-gineers who made this detailed study were S. 0. Andros, Young, J. J. Eutledge and R. Y. Williams. Based uponthis field examination and a great volume of subsequent corre-spondence with mining men in the State a detailed report ofmining practice in each district has been published. Completedetails of the organization of the staff and of the methodsof collecting data can be found in Bulle
Coal mining in Illinois . iningmethods in the mines of each district. Three of the minesthus chosen were dropped from the list for various reasons,but the remaining 97 were examined in great detail. The en-gineers who made this detailed study were S. 0. Andros, Young, J. J. Eutledge and R. Y. Williams. Based uponthis field examination and a great volume of subsequent corre-spondence with mining men in the State a detailed report ofmining practice in each district has been published. Completedetails of the organization of the staff and of the methodsof collecting data can be found in Bulletin 1, A PreliminaryReport on Organization and Method. The averages in the tables in this bulletin based upon the97 mines examined compared with similar averages for allthe mines of the State as given in the Coal Reports of theState Mining Board show that the 97 mines examined arereally typical of the mines of the State and that conclusionsbased upon the data gathered at the chosen mines apply tothe State as a whole. (50). Fig. 6. Division of the State into districts 52 COAL MINING INVESTIGATIONS Table 2 gives the districting of the State by counties. Table 2.—Districts into which the State has been divided fo?the purpose of investigation Coal seam II 2 III 1 and 2 IV V 5 VI 6 (East ofDuquoin anti-cline) VII VIII 6 (West ofDuquoin anti-cline) 6 and 7(Danville) Method of mining Longwall Room-and-pillarRoom-and-pillar Room-and-pillar Room-and-pillarRoom-and-pillar Room-and-pillar Room-and-pillar Counties ni V. Wbo S3 M £ - <U C C i Bureau, Grundy, La Salle,Marshall, Putnam, Will,Woodford ! 1 to 11 J Jackson 12 to 16 i Brown, Calhoun, Cass, Ful-ton, Greene, Hancock, Henry,Jersey, Knox, McDonough,Mercer, Morgan, Rock Is-land, Schuyler, Scott, War-ren 17 to 24 [Cass, DeWitt, Fulton, Knox,; I Logan, Macon, Mason. Mc-j Lean, Menard, Peoria, Sang-amon, Schuyler, Tazewell,Woodford . 25 to 42 Gallatin, Saline Franklin, Jackson, Perry,Williamson 43 to 4950 to 65 Bond, Christian, Cli
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectcoalmin, bookyear1915
