Show CANNEL COAL IN TEXAS what Is possibly the hie largest body if cannel coal in the united states if n the world lies on the rio grande bout 25 miles above laredo tex the fhe outcrop of this coal can lie be trac d for many miles in the bluffs along he e liver in webb county to a point it t which it swings northward into ivandic county the coal has been r ined for many years at santo tomas nd more recently at darwin or caniel and dolores it occurs in two principal rin rinel cipal pal beds about 90 feet apart roth oth of at which are being mined thle the eds range in thickness from about feet to 2 feet 6 inches and are fairy persistent for many years they lave supplied a large part of the col coal iledon the railroads in south southern ern fexas and the adjacent part of lesico lex ico this coal is of geologic interest bemuse although it lies in rocks elsewhere in texas contain lignite it Is a bituminous coal t has the qualities of a cannel coal I 1 t contains a large amount of volatile i or gas and it yields oil by distillation list listl illation lation about a out 50 gallons of oil 0 o the ton of coal it contains more li ii trogen than abw another coal in the united states 4 at most places the root roof zif of the oal oai is poor and requires considerable im ini bering and as no trees grow in 1 webb county this requirement adds considerably to the cost of mining kt each of the mines in this district here is a huge dump of clay either removed elli oved in mining the coal or de ived from the shale that forms the this clay may be of value for making brick or other clay products the coal of this field is deierl described n a bulletin entitled the santo S romas cannot cannel coal webb county rex fex by george H ashley issued by he united states geological survey department lepart ment of the interior as butte bulle in 1 this bulletin can be ob free on application to the di ector U S geological survey Nas dashington hington D C |