. The pictorial sketch-book of Pennsylvania, or, Its scenery, internal improvements, resources, and agriculture, populary described . carboniferous, were first raised abovethe sea; a second, when they sank again; a third, when the redsandstone (No. 4.), after it had been thrown down on the truncatededges of the older strata, participated in the waste. The great extentof solid materials thus removed, must add, in no small degree, to thediflSculty of restoring in imagination the successive changes Avhichhave occurred, and of recounting in a satisfactory manner for theorigin of this mountain chai
. The pictorial sketch-book of Pennsylvania, or, Its scenery, internal improvements, resources, and agriculture, populary described . carboniferous, were first raised abovethe sea; a second, when they sank again; a third, when the redsandstone (No. 4.), after it had been thrown down on the truncatededges of the older strata, participated in the waste. The great extentof solid materials thus removed, must add, in no small degree, to thediflSculty of restoring in imagination the successive changes Avhichhave occurred, and of recounting in a satisfactory manner for theorigin of this mountain chain.* Hollo ! Heres Conejiaugh Station ! We are down the mountain—we are west of the Alleghany, to-be-sure! Ah! we are down totwelve hundred and twentj--six feet again above tide-water; two hun-dred and seventy-six miles from Philadelphia, and only eighty-sevenfrom Pittsburg. Here is a neat brick engine-house and machine-shop for the accommodation of the iron nags who tug us over thewestern divisions of the road, and a characteristic water-station to * Abridged from Sir Charles Lyells Travels in America. 156 LOCOMOTIVE SKETCHES. CONEMAUGH STATION. refresh them when they are dry. Running along the northwesternbank of the Conemaugh, we reach Johnstown, two miles below. At
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Keywords: ., bookcentury1800, bookdecade, booksubjectminesandmineralresources
