TY - RPRT TI - Using occupancy models to accommodate uncertainty in the interpretation of aerial photograph data: status of beaver in Central Oregon, USA AU - Christopher A. Pearl AU - M. J. Adams AU - Patricia K. Haggerty AU - Leslie Urban PY - 2015 DO - 10.1002/wsb.516 UR - https://pubs.usgs.gov/publication/70154991 ID - 70154991 ER -