TY - BOOK ID - 137771595 TI - Water quality in the St. Croix National Scenic Riverway, Wisconsin AU - Graczyk, David J. AU - Geological Survey (U.S.) AU - United States. PY - 1986 PB - Madison, Wisconsin : United States Department of the Interior, Geological Survey, DB - UniCat KW - Water quality KW - Saint Croix National Scenic Riverway (Wis. and Minn.) KW - United States UR - https://www.unicat.be/uniCat?func=search&query=sysid:137771595 AB - ER -