TY - RPRT TI - Existing environment of natural corridors from Prudhoe Bay, Alaska to Edmonton, Canada AU - Daniel B. Krinsley AU - W.E. Davies AU - Jack Rachlin AU - E.G. Newton PY - 1971 DO - 10.3133/ofr71175 UR - https://pubs.usgs.gov/publication/ofr71175 ID - ofr71175 ER -