TY - RPRT TI - North Santiam, south Santiam, middle Santiam, and Breitenbush Rivers; Green Peter Reservoir site, middle Santiam River; Patterson Reservoir site, south Santiam River; Oregon AU - R.O. Helland PY - 1931 DO - 10.3133/70261326 UR - https://pubs.usgs.gov/publication/70261326 ID - 70261326 ER -