128 



NEW YORK STATE MUSEUM 



(50) 1880 Limestone areas of Dutchess, Westchester and Putnam 



Counties, etc. Am. Jour. Sci. 1880. ser. 3, v. 20, facing 

 p. 450. A black and white map showing limestone, archaean 

 and trap formations. Scale 1 in. = 10 m. 



(51) 1880 Part of Western Cortlandt. (Westchester co.) Am. Jour. 



Sci. 1880. ser. 3. 20: 194. A black and white geologic map. 



(52) 1880 Geological Map of Part of New York and New 



Jersey from Prof. G. H. Cook's map of New Jersey. Am. 

 Jour. Sci. 1880. ser. 3, v. 20, pi. 9. A black and white 

 geologic map of portions of Orange and Rockland counties. 



(53) 1881 Britton, N. L. .4 Geological Map of Richmond County. X. Y. 



Acad. Sci. Ann. 1882. v. 2, pi. 15, facing p. 161. Also in 

 Columbia School of Mines Quart. 1881. v. 2, pi. 1. Scale 

 1 in. — 2 m. 18 x 21 cm. 



(54) 1 88 1 Dana, J. D. Geological Map of Southern Westchester County 



and Northern New York Island. Am. Jour. Sci. 1881. 

 ser. 3, v. 21, pi. 19. Scale 1 in. = 2 m. A plain map with 

 limestone areas plotted in blue. 23.5 x 32.5 cm. 



(55) 1 88 1 ' Map of Parts of New York and New Jersey. Am. 



Jour. Sci. 1881. ser. 3. 22: 106. A black and white 

 geologic map of portions of Orange and Rockland counties. 



(56) 1881 Map of Stony Point (Rockland co.). Am. Jour. Sci. 



1881. ser. 3. 22: 112. A small black and white map, 

 the Triassic, limestone and conglomerate being indicated by 

 writing. 



(57) 1 88 1 Map of Part of Western Cortlandt showing Peekskill, 



Verplanck, Tompkins Cove and Cruger Limestone Areas by 

 Horizontal Linings. Am. Jour. Sci. 1881. ser. 3. 22 : 107. 

 Black and white etching. 



(58) 1882 Hall, James. New York State. In report of Public Service of 



the State of New York. Scale 1 in. = 38 m. A black and 

 white map. 



(59) 1882 Johnson, Dr Lawrence. .4 Geological Map Designed to Illus- 



trate a Paper on the Parallel Drift of Hills of Western New 

 York. Am. Jour. Sci. 1882. v. 2, pi. 18, facing p. 288. 

 A black and white map with formations indicated by name 

 and dotted boundaries. The first map dealing with glacial 

 geology. 



(60) 1884 Davis, W. M. A map showing portion of Greene county. Appa- 



lachia 1884. 3: 20-33. Accompanies paper by W. M Davis 

 on " Little Mountains East of the Catskills." Scale 1 in. = 

 $■ m. A black and white geological map of region near Cats- 

 kill, with numerous sections. 



(61) 1884 Map cf Greene county. Haivard Coll. Mus. Comp. 



Zool. Bui. 1884. 7: 311-29. Accompanies paper on 

 Folded Helderberg limestones east of the Catskills. 



(62) 1884 Wright, B. H. Map of Yates county. Mus. Rep't 35 (1881). 



1884, between pi. 15 and 16. A colored geological map show- 

 ing formations Marcellus to Chemung and salt, gas and stone 

 quarries. 24 x 21 cm. 



