U.S. Environmental Protection Agency, 2009, National Land Cover Data (NLCD) Classification Schemes "Available on-line"
gvrd.bc.ca
Greater Vancouver Sewerage and Drainage District, 1999, Assessment of current and future GVS&DD area watershed and catchment conditions--Burnaby, Vancouver British Columbia, Canada, Greater Vancouver Sewerage and Drainage District, 53 p. available at: "Available on line"
Granato, G.E., 2010, Overview of Methods Used to Estimate Imperviousness in a Drainage BasinAppendix 6 inMethods for development of planning-level estimates of stormflow at unmonitored sites in the conterminous United States: Federal Highway Administration, FHWA-HEP-09-005 "Available on-line."Archived 2015-09-06 at the Wayback Machine
landcover.usgs.gov
U.S. Geological Survey, 2007, The USGS Land Cover Institute NLCD land cover statistics database--View the NLCD land cover statistics database "Available on line"
Granato, G.E., 2010, Overview of Methods Used to Estimate Imperviousness in a Drainage BasinAppendix 6 inMethods for development of planning-level estimates of stormflow at unmonitored sites in the conterminous United States: Federal Highway Administration, FHWA-HEP-09-005 "Available on-line."Archived 2015-09-06 at the Wayback Machine