Pictured Rocks National Lakeshore, Michigan: Shoreline Map
Cantor J. 2015. Pictured Rocks National Lakeshore, Michigan: Shoreline Map. Ocean & Coastal Resources Branch, NRSS. Fort Collins, CO
Data Sources: Shoreline: USGS National Hydrography Dataset http://nhd.usgs.gov/ Bathymetry: NOS Hydrographic Survey Data http://www.ngdc.noaa.gov/mgg/bathymetry/hydro.html Great Lakes Information Network Lake Superior Bathymetry http://gis.glin.net/ogc/services.php Imagery: NAIP Imagery, 2014 http://www.fsa.usda.gov/programs-and-services/aerial-photography/imagery-programs/naip-imagery/index