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<br />C _ _ YEAR TONS YEAR ;PONS ~„_. ~~ :LEVATION a'C Ni NL HEM __ . _ .. _ _.
<br />' Y '? ~ PP.EVZOUS OPER/tTORS 1888: ; 191 I __„~~ SF{hFT j D~PTF?
<br />rY -_.__..-_ _..~V..~_._. -,....
<br />i•~ 1889 ' 1414 i :!
<br />'890: 1915 l -...-.._._- ~' -- ------- -...
<br />1891' 'QIB ' '~iDRIFT •~P~4~i-
<br />1892' '' 19 7 '"'~~!
<br />! 1893 T 91~_.~...._-___....._....ri~. !
<br />!;1894 , 1°:9 ! _ ~~ SIA?i i LGNGTF, ..~• . _._ ~.,,_.--_L.
<br />''1895.1920 ~ ~, fj ~ I ~ Y~
<br />189b ! 1921~-~~ _ I __....~_..__ _ .
<br />'-;%:.Fi~~~ 1897' ~~1422 1 _,~~,~IAA,~IROAD AT MSNE
<br />:::~~~-Tri~7a-ye,s ~isfer~ .189&' 1923 I _. _.._......-_.....,..,
<br />Jl /e •' - 1899 • 1924 i ~~-~~r~! R~C.IOR'~
<br />u~+o~er r,an~ ~.
<br />•• ~~ „19U0 ~ :1925 _
<br />~rYet 1( s~ 1901' 192fi ....__.. !......._..-..Q.. ....~.,_..._._.._.._..............
<br />SCI Cc/+ S t _,.,M,.,,__,,; FO1tSiAT.Z N
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<br />iS02 1927: ..,_.. .. .
<br />•? ,18Y.µ ~93~ 2903 ~ ..._.._.,.~1?128 i ~ .._,~ '~FTEIJ) ~~
<br />7 •1904; IZ429 ~~~ly-~
<br />_ ~'' 1905 ~ 193n ,; .~._._......_,....._...{! BFD .,.._.. ..,
<br />! ~ 190E ........ 19~31~~ ~ R _..__.___....._._ ....._.
<br />~r 1907' ,_~ , 1932. ,,,.,~~THICTL*IE:SS OF SEAAi ._._.._
<br />. 19Q8' ,~_,Y ` 2933 Y_~ ~ °+_THICR'NESS OF C09ER ~~ _ _..i..
<br />I` :1909 :~~ ~ 1934 i ~ (' ND 0 FLGOR
<br />1910 ~ ~,,,,,,_,,,~ 1435 t!,•_,,,__,~ !F KZND OF R00 ~.... _..
<br />' 1911 ~~~~ ' 1936 ! ,,,,~,!lu1r,THOD OF i~'iNINO __
<br />1912 ' ! 193'1 i ._~~ 'I ESTZPdATED LIF3 OF ' MTI~ M '' +,::>.~
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