. Off-hand sketches : a companion for the tourist and traveller over the Philadelphia, Pottsville, and Reading railroad . off, at the point p, in fig. 39, to the northward, affording a view ofthe cliffs westward, it will be seen that the appearance from thesouth is defective, for the lines here show a considerable angle to thenorth, and gradually increasing in their dip, finally become verticalat a. It has already been intimated that fossiliferous rocks follow auinvariable order of succession, but that the arrangement, althoughnever reversed, is sometimes imperfect; so that, while we never mee
. Off-hand sketches : a companion for the tourist and traveller over the Philadelphia, Pottsville, and Reading railroad . off, at the point p, in fig. 39, to the northward, affording a view ofthe cliffs westward, it will be seen that the appearance from thesouth is defective, for the lines here show a considerable angle to thenorth, and gradually increasing in their dip, finally become verticalat a. It has already been intimated that fossiliferous rocks follow auinvariable order of succession, but that the arrangement, althoughnever reversed, is sometimes imperfect; so that, while we never meet6 going before a, or c preceding 6, yet we occasionally miss not onlya single letter, but a succession of letters, and find, in certain locali- ANTHRACITE COAL FORMATION 151. FIG. 39.
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Keywords: ., bookcentury1800, bookdecade1850, bookidoffhandsketc, bookyear1854
