USGS Visual Identifier
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Geologic Unit: Poland

Poland Member of Denley Limestone (NY*)

Ordovician, Middle*
Geologic Province:
Appalachian basin*

Areal Extent:

Type Locality:
Type section: At Trenton Falls on West Canada Creek near Oneida-Herkimer Co. line. Named from Poland, Herkimer Co., southeast of Trenton Falls, east-central NY (Kay, 1943).

City Brook bed (informal)

Unit Name History:
Named member of Denmark Limestone (Kay, 1943).
Reallocated to Denley Limestone (Kay, 1968).
Overview, City Brook bed assigned (Baird and others, 1992).
Overview; Age modified (Frey, 1995).

Note: If you need more information, please contact Nancy Stamm (
Asterisks (*) indicate usage by the U.S. Geological Survey. Other usages by state geological surveys.

"No current usage" implies that a name has been abandoned or that it has fallen into disuse. Former usage and, if known, replacement name given in parentheses ().

Slashes (/) indicate unit name usage violates the 1983 North American Stratigraphic Code. This violation may be explained within brackets ([ ]).

U.S. Department of the Interior, U.S. Geological Survey, Reston, VA, USA
Database project personnel
Last modified: 15-Jan-2013