The Helderberg Group and the Position of the Silurian-Devonian Boundary in North America Jean Milton Berdan Published: 1964 Total Pages: 28 Get eBook
Revised Stratigraphy and Correlations of the Niagaran Provincial Series (Medina, Clinton, and Lockport Groups) in the Type Area of Western New York Carlton Elliot Brett Published: 1995 Total Pages: 76 Get eBook
Geological Survey Professional Paper Geological Survey (U.S.) Published: 1972 Total Pages: 72 Get eBook
Cretaceous Stratigraphy of the McCarthy A-4 Quadrangle, Southern Alaska David Lawrence Jones Published: 1964 Total Pages: 170 Get eBook
Annotated Bibliography of Lake Ontario Limnological and Related Studies Published: 1973 Total Pages: 228 Get eBook
