Classification and Mapping of Agricultural Land for National Water-Quality Assessment
By Robert J. Gilliom and Gail P. Thelin
U.S. Geological Survey Circular 1131
Figure 2. General land use in the Lower Susquehanna River Basin NAWQA
Study Unit based on U.S. Geological Survey National Land Use and Land
Cover (LULC) data.
Back to:
Table of Contents