Mineral assessment tracts in Delaware county, New York

EC02: Sedimentary exhalative Zn-Pb (31a) (Devonian - Mississippian) , covers 67 % of this area: The number of undiscovered deposits in this tract was not estimated.
EC04: Mississippi Valley, Appalachian Zn (32b) (Late Paleozoic) , covers 18 % of this area: The number of undiscovered deposits in this tract was not estimated.