TY  - RPRT
TI  - Protocol for determining bull trout presence
AU  - James Peterson
AU  - Jason B. Dunham
AU  - Philip Howell
AU  - Russell Thurow
AU  - Scott Bonar
PY  - 2002
UR  - https://pubs.usgs.gov/publication/70006623
ID  - 70006623
ER  -