The National Land Cover Datasets for Pennsylvania were downloaded from USGS (http://landcover.usgs.gov/natllandcover.html) and clipped by the Conneaut Lake Watershed boundary.

The Conneaut Lake Watershed boundary was hand delineated using USGS 1:24,000 scale Topographic Maps.

Land Cover Class definitions are defined by USGS: (http://landcover.usgs.gov/classes.html)

(Data description prepared on July 10, 2003 by Andrea McMillen)