Bulletin of the Geological Society of America, Volume 15The Society, 1904 - Geology Vols. 1-44 include Proceedings of the annual meeting, 1889-1933, later published separately. |
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Common terms and phrases
50 feet Archean basalt basin bay of Quinte beach bedrock Bighorn Black hills Bonair Campbell canyon Carboniferous Chugwater clay cliff coal bed coarse conglomerate Connoquenessing creek cuesta delta deposits eastern erosion Etna evidence farther fault feet thick formation fossils Geological Survey geologists granite gray gypsum horizon Humboldt Lake range Humboldt mountains hypothesis I. C. White Inches interval Iroquois island Jurassic Kanawha lake Iroquois lake Ontario Lake range layers limestone massive sandstone Mercer miles molybdenite mountain northeast northern northwest occur Pennsylvania plate portion Pottsville present probably Professor Quakertown Red beds region rhyolite ridge river Rockcastle rocks sand sandy shales scarp schists sediments Sharon sandstone shore shows slate slope southern southward southwest Star Peak stream structure surface thin bedded tion topography Trent river Triassic tuff U. S. Geol uplift upper valley veins volcanic western Wyoming


