Gowanda, South Wales, and Dunkirk Shales (NYDcyd;4)

State	New York
Name	Gowanda, South Wales, and Dunkirk Shales
Geologic age	Upper Devonian
Original map label	Dcyd
Comments	part of Canadaway Group 700-1200 ft. (210-370 m).
Primary rock type	shale
Secondary rock type
Other rock types
Lithologic constituents	Major Sedimentary > Clastic > Mudstone > Shale
Map references	NYS Museum, NYS Geological Survey, NYS Museum Technology Center, 1999, 1:250,000 Bedrock geology of NYS, data is distributed in ARC/INFOr EXPORT format (with ".e00" extension) in 5 seperate files based on printed map sheets, http://www.nysm.nysed.gov/gis.html. [http://www.nysm.nysed.gov/gis.html.]
Unit references	D. W. Fisher; Y. W. Isachsen, L. V. Rickard, 1970, Geologic Map of New York State, consisting of 5 sheets: Niagara, Finger Lakes, Hudson-Mohawk, Adirondack, and Lower Hudson, New York State Museum and Science Service, Map and Chart Series No. 15, scale 1:250000.
Geographic coverage	Cattaraugus - Chautauqua - Erie