TY - BOOK ID - 138821959 TI - Taking the pulse of a river system, first 20 years AU - Upper Midwest Environmental Sciences Center (Geological Survey) AU - Geological Survey (U.S.) PY - 2006 PB - [Reston, Va.] : U.S. Dept. of the Interior, U.S. Geological Survey, DB - UniCat KW - Environmental monitoring KW - Freshwater ecology KW - Long Term Resource Monitoring Program (Environmental Management Program) UR - https://www.unicat.be/uniCat?func=search&query=sysid:138821959 AB - ER -