TY - BOOK T1 - Floating sample-collection platform with stage-activated automatic water sampler for streams with large variation in stage DA - 1992. CY - Urbana, Ill. : CY - Denver, CO : AU - Tarte, Stephen R. AU - Schmidt, A. R. AU - Sullivan, D. J. CN - I 19.76: PB - U.S. Dept. of the Interior, U.S. Geological Survey ; PB - Books and Open-File Reports Section [distributor], PP - Urbana, Ill. : PP - Denver, CO : PY - 1992. N1 - Distributed to depository libraries in microfiche. N1 - Shipping list no.: 93-0540-M. ID - 199795 KW - Herbicides KW - Water TI - Floating sample-collection platform with stage-activated automatic water sampler for streams with large variation in stage ER -