1. Geohydrology of the valley-fill aquifer in the South Fallsburgh-Woodbourne area, Sullivan County, New York [cartographic material] Yale Public content 1982. 2023-03-14T19:05:25Z. 2023-03-17T21:36:32Z. Geological Survey (U.S.). U.S. Geological Survey. English. cartographic image. Public. New York (State), Sullivan County, and Sullivan County.