. Railway and locomotive engineering : a practical journal of railway motive power and rolling stock . 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 combustilile 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 a
. Railway and locomotive engineering : a practical journal of railway motive power and rolling stock . 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 combustilile 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 taken from the mine, whilethe percentages found in the other samplesrun from four to six. The sulphur is low, being generally lessthan one per cent. The greatest sulphurcontent noted in the geological survey wasL67 per cent, while the average of all what limited extent, will doubtless be usedlargely as a domestic fuel. The bitumi-nous coals serve well for both domesticand steam purposes. Thus far. the interest has centered about. GILSONITE VEIN ON DENVEULAKE RAILROAD the Yampa field which containsminous and anthracite coals,poorer grades farther west havesidered unwortliy of notice. & SALT the bitu-while thebeen con- Oii, In addition to the coal fields which arctlie source of supply of the present tonnageto the road, the presence of oil has beensuspected in various parts of the areatraversed by the road, especially in theprairie southwest of Hayden, sixteen milesfrom Craig, and in the Yampa river valley. The chief indication of oil consists of awell known seepage or oil spring in thecanyon of Tow Creek, three or four milesnorth of the Yampa river. The oil fromthis spring is in constant use as a lubri-cant and is regularly gathered by theranchmen and miners. It issues from therock in globules with the water of thespring and, when allowed to accumulatefor some hours, is found as a sheet ontlie surface of the sma
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