Geologic map and descriptions of the Portage and Nunda quadrangles
By: including a map of Letchworth park, by John M. Clarke & D. Dana Luther. Accompanied by a report on the Pleistocene history of the Genesee valley, by Herman L. Fairchild.
Contributors: Luther, D. D. 1840-1923, joint author.; Fairchild, Herman L. 1850-1943.
Series: New York State museum. Bulletin 118. Paleontology 18
Publisher: New York State Education Dept.
Published: 1908
Place of publication: Albany
Language: eng
Number of pages: 88
Subjects: Geology -- New York (State); Geology, Stratigraphic -- Pleistocene.
Notes: Bibliography : p. 44-45.
Cover title.