Mineral resources . Puckering of Cross-bedding Planes in Sandstone, Mount Boppy Crosscut, No. 3 Level, 500 feet in crosscut. Plate Puckered Crossbedded Planes in Sandstone from Western Cross-cut, No. 3 Level,Mount Boppy Mine. 75 An examination also of the centre country revealed the fact—in the caseswhere the dip of the centre country slates is practically uniform—that thesaddle is asymmetrical at that point, and that both limbs dip in the samedirection along the small area considered. Fig. 6 illustrates this point.

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Keywords: ., bookcentury1800, bookdecade1890, booksubjectminesandmineralresou