TY - RPRT TI - Floating sample-collection platform with stage-activated automatic water sampler for streams with large variation in stage AU - Stephen R. Tarte AU - A.R. Schmidt AU - Daniel J. Sullivan PY - 1992 DO - 10.3133/ofr92149 UR - https://pubs.usgs.gov/publication/ofr92149 ID - ofr92149 ER -