. Off-hand sketches : a companion for the tourist and traveller over the Philadelphia, Pottsville, and Reading railroad . ousands of dollars have been, and are stillexpended by the uninformed, in explorations after mineral treasure,which, did they but enjoy a limited knowledge of those paramount A N T II II A C I T E COAL F 0 R INI A T I O N. 143 laws whicli pervade throughout all the Creators works, could besaved ; besides the labor, anxiety, and bitter disappointments whichinvariably attend ill-directed enterprises. In casting our eye over the surface of the earth, we everywhereperceive evid
. Off-hand sketches : a companion for the tourist and traveller over the Philadelphia, Pottsville, and Reading railroad . ousands of dollars have been, and are stillexpended by the uninformed, in explorations after mineral treasure,which, did they but enjoy a limited knowledge of those paramount A N T II II A C I T E COAL F 0 R INI A T I O N. 143 laws whicli pervade throughout all the Creators works, could besaved ; besides the labor, anxiety, and bitter disappointments whichinvariably attend ill-directed enterprises. In casting our eye over the surface of the earth, we everywhereperceive evidences of a universal and continual change. The frostsof autumn, the snows of winter, the rains of spring, the electricity ofthe summer—each contril)ute to this purpose. The substance ofmountains is daily diminishing; and rocks, those silent historians ofthe past, gradually crumble into atoms, and unperccived, are borneoff to new resting-places in the deep green ocean. Here they enterinto new combinations, and by earthquakes and volcanic action, aswell as by the natural accumulation of the beds, again appear to the. FIG. 19. light of day, throwing back the surrounding waters, and presentingnew isles in the watery waste. Finally, one little island effects afriendly union with another, and thus, age after age, century aftercentury, the undeviating, the everlasting laws of the great God areperforming the functions contemplated in the creation. Although our limits will not allow a minute description of thevaried strata of the earths crust, yet it is necessary to a proper eluci-dation of what has already been said as well as what is to follow, topoint out some of the changes of position, of fracture, denudation anddisruption which they have undergone. Fig. 18, will probably serveto show the original horizontal appearance of strata, ono layer lying 144 OFF-HAND SKETCHES. upon another. Fig. 19 exhibits the usual appearance of stratifiedrocks, lying also in a horizontal position, the
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Keywords: ., bookcentury1800, bookdecade1850, bookidoffhandsketc, bookyear1854
