TY - RPRT TI - Attributes for NHDPlus Catchments (Version 1.1) for the Conterminous United States: NLCD 2001 Imperviousness AU - Michael Wieczorek AU - Andrew E. LaMotte PY - 2010 DO - 10.3133/dds49012 UR - https://pubs.usgs.gov/publication/dds49012 ID - dds49012 ER -