TY - RPRT TI - Detection probability of cliff-nesting raptors during helicopter and fixed-wing aircraft surveys in western Alaska AU - T.L. Booms AU - P.F. Schempf AU - B. J. McCaffery AU - M. S. Lindberg AU - M.R. Fuller PY - 2010 DO - 10.3356/jrr-09-70.1 UR - https://pubs.usgs.gov/publication/70036309 ID - 70036309 ER -