National Park Service vegetation inventory program. Saint Croix National Scenic Riverway, Minnesota/Wisconsin / Kevin Hop [and four others].
Publication Info.
Fort Collins, Colorado : U.S. Department of the Interior, National Park Service, Natural Resource Stewardship and Science ; La Crosse, Wisconsin : USGS ; St. Paul, Minnesota : NatureServe, 2012.
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Description
1 online resource (5 volumes) : color illustrations, color maps + 4 supplemental files.