TY - RPRT TI - Attributes for MRB_E2RF1 Catchments by Major River Basins in the Conterminous United States: NLCD 2001 Tree Canopy AU - Michael Wieczorek AU - Andrew E. LaMotte PY - 2010 DO - 10.3133/dds49106 UR - https://pubs.usgs.gov/publication/dds49106 ID - dds49106 ER -