http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
National Park Service vegetation inventory program
Pictured Rocks National Lakeshore, Minnesota/Wisconsin
1 online resource (1 volume (various pagings)) : color illustrations, color maps.
Kevin Hop [and four others] ; USGS, National Park Service, NatureServe.
Pictured Rocks National Lakeshore (Mich.)