TY - RPRT TI - Geomorphic characteristics and classification of Duluth-area streams, Minnesota AU - Faith A. Fitzpatrick AU - Marie C. Peppler AU - Michele M. DePhilip AU - Kathy Lee PY - 2006 DO - 10.3133/sir20065029 UR - https://pubs.usgs.gov/publication/sir20065029 ID - sir20065029 ER -