TY  - RPRT
TI  - Use of artificially created Douglas-fir snags by cavity-nesting birds
AU  - C. L. Chambers
AU  - T. Carrigan
AU  - T.E. Sabin
AU  - J. C. Tappeiner
AU  - W.C. McComb
PY  - 1997
DO  - 10.1093/wjaf/12.3.93
UR  - https://pubs.usgs.gov/publication/1015855
ID  - 1015855
ER  -