TY - RPRT TI - Onondaga Lake Watershed – A Geographic Information System Project Phase I – Needs assessment and spatial data framework AU - Douglas A. Freehafer AU - Oliver Pierson PY - 2004 DO - 10.3133/ofr20041259 UR - https://pubs.usgs.gov/publication/ofr20041259 ID - ofr20041259 ER -