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<br />~u~,UB SECS i S?,C„ T1'(P 1>',t 4
<br />ilK.IiZD pF COA Bituminous
<br />~ ~~! YEAR TONS Y[:AR TONS ,~, i~ 3Y,EVATION AT 'MINE i,~AD ~.~,_,_, -,_
<br />OUS OPL'TiATORS ' 1888 ' ; 1913 !SHAFT , DwP'Jti
<br />1884 ; 1924 ! ~~'• ~ ;I ____.. ~
<br />1890, ! 1915 I ! i
<br />1891' ! 1918 1 ~~(DAIFT ~--~~ LENG2Ri -~ _ - •
<br />1892' ~ ! 1917 1 i-~ i ~~
<br />'' 1893: ! 1418 ` Yea. i _ _ 100 ~ __
<br />i 1894 ~ 1919 ! ~_ __ t SLOPE f LEti1GTEi ... _.._ r 1 ! ~ H
<br />1845 ; ;; 1920 T-~~ ~ t ''
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<br />j189b' i 1921 I ~.~~I ~,,~ ~,;._.__. _ "'
<br />1897' ' 1922 + _326_ ___t FAI O~AD AT YIN ~ ,
<br />1896 • , 2923 ~ 1„44`"~'".~) N.ottq_, ,,, . {_ ,
<br />! 1899 ! 1924 ! _.__ 1~~ RFY;ION
<br />1900r 1825 ? = ',
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<br />'1901 ~ _~-~ 1926~•__~12~ .(FOR~dATION i
<br />1oJ2. ,1427,x,•,-•,-_„~ +~ ._.,_.......,.:
<br />:1904 ..._-..19'2929 i ._._.._..... ~....-~~._....~...~~.-.~.._....w.
<br />1903 ~ ! 1928 ? ~~~ F~IA !
<br />~ 905 ~ y 1930 r__~"' '~~ BED .~._..ti..~.._.___~__..._.. , .. _ ,l3
<br />~~1906' ,1931 __.----- ~ ..._..~..__...._ _..,_
<br />,';1907. _ : i43zr. ~ "''; xxacxr>E:ss of sEAra ~! tp 6! _..---..._. -
<br />;1908' : ].933 ~ ~9 TH:iCKNESS OF COVER t
<br />,~ 1909 ; __._~___~_._._.. + z 434 r"... ~_ ~~ RIND OF fLGOk _._.~.... .._.
<br />•1910 12935 KIND OF ROOF
<br />~IS11~~-v~19s~'Fi~~~-~ bti;'9'KOA OF BItJING,~,~,,,.,•,,,_y ... ;.
<br />:112_ . _~.....~._ 19f 37 ~, ~~ SSTIMAT.~.'A LIFE Or !dTNE ~~ 4.t , • ~ (
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<br />_ LATsST N~1![E OF iSINE FIA_ R~DI,~fiR~¢~ •r._
<br />-' COJJNTY LATCST OPi~TATOA
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