THE GEOLOGICAL HISTORY OF NEW YORK STATE 123 
New York State Museum handbooks 
No. 15 Clarke, J. M. Guide to Excursions in the Fossiliferous 
Rocks of New York. 1899 
No. 19 Hartnagel, C. A. Classification of the Geologic forma- 
tions of the State of New York. 1912 
New York State Museum State maps 
Economic and Geologic Map of the State of New York. Scale 
14 miles to I inch. 1894 
Geologic Map of New York. Scale 5 miles to 1 inch. Igor 
Map of New York Showing the Surface Configuration and 
Water Sheds. Igor 
United States Geological Survey folios 
No. 83 New York City and Vicinity. By Merrill, Darton, 
Hollick, Willis, Salisbury, Dodge, & Pressey. 
No. 169 Watkins Glen-Catatonk. By Williams, Tarr & Kindle. 
Miscellaneous papers 
Baldwin, S. P. Pleistocene History of the Champlain Valley. 
Amer. Geologist, 13: 170-84. 1894 
Bishop, I. P. Structural and Economic Geology of Erie County. 
Fifteenth Ann. Rep’t N. Y. State Geol., p. 305-92. 1897 
Brigham, A. P. The Geology of Oneida County. Oneida Nat. 
Hist. Soc. Trans. for 1888, p. 102-18 
— The Finger Lakes of New York. Amer. Geo. Soc. Bul. 
25, Pp. 203-23. 1893 
— Glacial Flood Deposits in the Chenango Valley. Geol. 
Soc. Amer. Bul. 8, p. 17-30. 1897 
— Topography and Glacial Deposits of the Mohawk Valley. 
Geol. Soc. Amer. Bul. 9, p. 183-210. 1898 
—— Glacial Geology of the Broadalbin, Gloversville, Amster- 
dam and Fonda Quadrangles. N. Y. State Mus. Bul. 121, 
Pp. 21-31. 1908 
Berkey, C. P. Structural and Stratigraphic Features of the 
Basal Gneisses of the Highlands. N. Y. State Mus. Bul. 
107, p. 361-78. 1906 
—— Areal and Structural Geology of Southern Manhattan 
Island. N. Y. Acad. Sci., 19: 247-82. 1909 
Clarke, J. M. Brief Outline of the Geological Succession in 
Ontario County. N. Y. State Geol. Rep’t.4, p. 9-22. 1885 
