COAL. 113 



II. Marshall's bed, on Soutli Boulder Creek, twenty-tliree 

 miles from Denver, is nearly horizontal. It exhibits 11 

 'eet of solid coal, and is oi^enod to a depth of 200 feet. On 

 he authority of Mr. Marshall, the doctor states that the 

 ein worked is the lowest of eleven, the thinnest being 

 I feet, while the nine others are each about the same 

 ihickness as the lowest — viz., 11 feet. These beds are 

 ^parated by strata of from 25 to 60 feet of sandstone and 

 [lays. 



AN-:^XYSIS, 



i^ixed carbon 



. 59-2 



Volatile matter . . 2G-0 



Water 

 Ash 



12-0 

 2-8 



These two specimens will suffice as examples from tlic rast 

 oal deposits at the back of Denver^ where enough mines 

 TG already ^^ located" to supply the whole of Kansas for 

 ges to come. 



About fifty miles south of Denver, in the spur from 

 lej^mountains, known, from its timbered sides, as ^^tho 

 ineries," large deposits of coal are known to exist ; but at 

 he present time I cannot give any exact information about 

 hem. South-east of '^ the Pineries " there is coal on the Big 

 pandy. " A coal-pit is worked near Canon City, in the hills 

 >uuth of the Ai'kansas, from which the blacksmith's forge at 

 ?ort Lyon has been suppKed." 

 On the Cimarron Houte Dr. Steck states that with Gen. 



Creek, four miles 



thick 



Should this deposit, of which I have heard from 



satisfactory, it will go far to offset a serious drawback 



absence of timber 



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a 



VOL. I. I 



