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Angular unconformity mcr1.JPG - Rygel, M.C.
Letchworth State Park Gorge.JPG - MGA73bot2
Potsdam Sandstone Unconformity.tif - Rygel, M.C.
Map of Ordovician Stratigraphic Units in New York State, Hudson Valley to Tug Hill Plateau.jpg - PCSGATE
The Newark Rocks of New Jersey and New York.pdf - Abyssal
Annual report of the Regents - New York State Museum. (1904) (19178506050).jpg - Fæ
Annual report of the Regents - New York State Museum. (1902) (19178338480).jpg - Fæ
Annual report (1907) (17806430484).jpg - Fæ
Annual report (1906) (18240932968).jpg - Faebot
Angular unconformity Shawangunk Martinsburg Otisville NY.jpg - FastilyClone
Paleontologists in a quarry in New York state.jpg - GeoWriter
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