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Report of the Bureau of Mines of the Department of Internal Affairs of Pennsylvania . « ej« j:T! >.7^ .. U^ d bod dirtned bjn gan as kil |E c c t, c p: « 0 3 .o tDx: -c 0) â¢c t- c c^ o^J V >, 5: â¢= .S « > 15 «i . 5 * i: iJ . â ^5=^-;^^ T ^ cg-?.=:l S a 2 St^ (S o !lC*j>. »-â « :â¢â¢= ^°31 o; S-go ^ i|s c £ o â - ^K»; CliC â o â â A l-lhJ h1 h4J âºJ ^J âºJ hJ : BOa J3 X <uX o â D-O oT O) â X : c .o â¢â â¢-» . SOa U t, I, 3 â pS 6 o ni o â¢CO o c ⢠cj cd ctf â¢3-a-aWWW E gE (U t-i cZ ^ 3 â CO c Z : c ca ^-^-w .a £ ^ â¢O .«coCO a ,^; oZ T-t rtrn- c; o â¢Z : 3 coo 5 C o _ji 5^ S OJ o St; O 55 O O c ?â = ^- <M V4 V4 ^ i; *j C £ g o O V. V-i t- ^ c .c 0) o Jj-M ^ ^r c .2 CO ca K ;a:cc t;w tn Smw sa w IS w 2 s CQ § iSSS CO f-H S o irt t- s § wcoMco w 02 Sm ai 0) O) o â go, oc C^ a c ^ S S S 3 5 « g ^< s ^.
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectcoalmin, bookyear1900
