Table 2 Geospatial data used to determine lake jurisdiction.

From: A database of georeferenced nutrient chemistry data for mountain lakes of the Western United States

Geospatial Dataset Source Description
Federal Class I area boundaries shapefile provided by Drew Bingham (NPS) 6-6-16.
NPS Boundaries shapefile obtained from NPS Integrated Resource Management Applications (IRMA) portal (https://irma.nps.gov/Portal) 2-12-2015
USFS Boundaries shapefile dated 2-9-16 obtained from http://data.fs.usda.gov/geodata/
Wilderness Boundaries Shapefile dated 10-12-15 obtained from the Wilderness Institute http://www.wilderness.net/NWPS/geography
Physiographic provinces shapefile obtained from http://water.usgs.gov/GIS/metadata/usgswrd/XML/physio.xml
State boundaries Shapefile obtained from the US Census (cb_2015_us_state_5m) in June 2016 https://www.census.gov/geo/maps-data/data/cbf/cbf_state.html
Elevation Hydrodem digital elevation models from the NHDPlusv2