Nonroad developed land in the United States Pacific Northwest for 2001 summarized for NHDPlus v2 catchments
This spatial data set was created by the U.S. Geological Survey (USGS) to represent the area of non-road developed land 
within each incremental watershed delineated in the NHDPlus v2 dataset in the Pacific Northwest region of the United States 
(Hydro Region 17; Major River Basin 7 (MRB7)) in 2001.