. Ontario Sessional Papers, 1897-98, 85,903 barrels to 181,495 barrels, and thevalue of the cement from $109,8 54 to $246,-425. The greatest increase however hastaken place in the production of Portlandcement, which has gone up from 30 580barrels to 96 825, while the natural rockcement has only increased from 55,323 bar-rels to 84,670. In value natural rockcement sho^/^s an increase of $27,349, whilePortland cement shows an increase of $109, Both the marl and the clay used in themanufacture of cement at these works areobtained from the bed of Shallow Jake. The works of the Rathbun Co
. Ontario Sessional Papers, 1897-98, 85,903 barrels to 181,495 barrels, and thevalue of the cement from $109,8 54 to $246,-425. The greatest increase however hastaken place in the production of Portlandcement, which has gone up from 30 580barrels to 96 825, while the natural rockcement has only increased from 55,323 bar-rels to 84,670. In value natural rockcement sho^/^s an increase of $27,349, whilePortland cement shows an increase of $109, Both the marl and the clay used in themanufacture of cement at these works areobtained from the bed of Shallow Jake. The works of the Rathbun Company atNapanee Mills were also enlarged 1 ist year, and they have now an estimatedCompanys Capacity of about 350 barrels per daj. The i)lant embraces thelatest and bept developments in Portlandcement making, and is constructed with aview to produce material of very uniformquality. The clay and marl are mixed inproportions carefully regulated bv chemicalanalysis, and the slurry is so finely reduced 16 View of the Sultana Mine and Camp, p. Mikado Mine, p. 52, looking , showing mill and main shaft house. Bag bay in the back ground with camps near theshore. Open cut on No. I vein is seen to the left of the mill. Hoisting engine house to the left of open cut. To the rightof the mill in the foreground is the blacksmith shop, and behind it is the tramway running from the mill to No. 2 shaft. II i 1 ^^S j|H § ^3 ^1 M ^H^^ ^^p . j^ ^ HHi ,,.. ^^ •^ 3^E rifi mB Bjij^^ pg|^P H * tT^ S B^9pQ ^^r /\>s;^ rSI^BSE tJ- •^: ?^ > iJrM I ^MM flHlHd^__;.;~_ •= ^^assi ^, «^ > i^MH I- ? HI ~~ ?^?^W ^B^ ** ^^^•^ ^ T-i**- ilfl Keewatin Reduction Works. Showing tramway for carrying ore from barges to works; river in the foreground andRailway track between it and works; office to the right, p.
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