TY - RPRT TI - Land use and land cover and associated maps for Williamsport, Pennsylvania, and New York AU - Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey PY - 1977 DO - 10.3133/ofr77107 UR - https://pubs.usgs.gov/publication/ofr77107 ID - ofr77107 ER -