TY - RPRT TI - Bedrock, soil, and lichen geochemistry from Isle Royale National Park, Michigan AU - Laurel G. Woodruff AU - William F. Cannon AU - Connie L. Dicken AU - James P. Bennett AU - Suzanne W. Nicholson PY - 2003 DO - 10.3133/ofr2003276 UR - https://pubs.usgs.gov/publication/ofr2003276 ID - ofr2003276 ER -