Railway and Locomotive Engineering . ^L^P OF DENVER & SALT LAKE RAILROAD of the basin immediately west of the moun- An average analysis of seven samples {a[,-,5 of coal, taken from as many operations in It is not generally appreciated that the this field, is as follows: Yampa coal fields in Routt County, Colo- Per Cent rado, are among the richest in the country, Moisture both as to quantity and quality. \olatile combustible In a report on the road made in 1916 Fixed carbon by Mr. E. W. McKenna, an estimate is Ash made that this coal field embraces 1,200 square miles of te
Railway and Locomotive Engineering . ^L^P OF DENVER & SALT LAKE RAILROAD of the basin immediately west of the moun- An average analysis of seven samples {a[,-,5 of coal, taken from as many operations in It is not generally appreciated that the this field, is as follows: Yampa coal fields in Routt County, Colo- Per Cent rado, are among the richest in the country, Moisture both as to quantity and quality. \olatile combustible In a report on the road made in 1916 Fixed carbon by Mr. E. W. McKenna, an estimate is Ash made that this coal field embraces 1,200 square miles of territory, and the deposit, Total September, 1921 RAILWAY AND LOCOMOTIVE ENGINEERING 235 The average of sulphur was percent, with an average fuel ratio of 8 to 21,which is the fixed carbon divided by thevolatile combustible matter. analyses made was only per utilization of this coal will, ofcourse, depend upon its character. The an-thracite of this field, although of a sonie-. COAL INTERIOR OF y.\MI>A COAL FIELD MINE. RAILROAD DENVER AND SALT LAKE According to a report of the LInitedStates Geological Survey, the followingare the heat equivalents of some of themore prominent coals: B. T. , West 15,800 Pittsburgh, Connellsville 15,500 Horse Creek, Ala 14,800 Belleville, 111 13,200 Yampa, Colo 12,447 Lafayette, Colo 11,500 Sheridan, Wyo Anthracite Co,-\ the northeastern corner of the fieldthere is a bed of anthracite, which is es-pecially well adapted to domestic use, theaverage analysis from two operations be-ing as follows : Per Cent Fixed carbon Volatile combustible Moisture Ash Total The seams from which the analyses ofbituminous coal were taken ran from 5 15 ft. in thickness, which surpasses thatof the great Pocahontas seam in WestVirginia. The coals of the Yampa field thus showa fairly low percentage of ash, only twoof the bituminous coals carrying more than10 per cent as
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