@article{240988, recid = {240988}, author = {Epstein, Jack Burton, and Lyttle, Peter T.}, title = {Preliminary geologic map and cross section of the Ellenville and Kerhonkson quadrangles (in part) and the Napanoch quadrangle, Ulster and Orange Counties, New York /}, publisher = {U.S. Geological Survey,}, address = {Reston, Va. :}, pages = {1 map :}, year = {1990}, note = {Distributed to some depository libraries in microfiche.}, url = {http://library.usi.edu/record/240988}, }