GNEISS CRYSTALLINE A NQRTHOSITE GABBRO CAMBRIAN. LOWER SILURIAN GLACIAL 



GNEISS 



LIMESTONE 

 AND BLACK SCHISTS 



POTSDAM SAND 



2 g> io) SEE£ 



ii 



SCALE OF MILES 



■J., . , I 1 1 ' L ■ 



LIMESTONE 



GRAVELS ETC. 



-" i 



I. Geological Map of Moriah and Westport Townships, Essex Co- New York 



B Y J. F. KEMP 



