Excerpt from Water Quality in the St. Croix National Scenic Riverway, Wisconsin The St. Croix and the Namekagon Rivers became part of the National Wild and Scenic Riverway system in 1968. Together they form the St. Croix National Scenic Riverway which was one of the original eight rivers under the National Wild and Scenic Rivers Act. Approximaw 250 mi of these rivers are now part of the scenic riverway, which is located in northwestern Wisconsin and eastern Minnesota (fig. The National Park Service administers the St. Croix National Scenic Riverway and is in charge of developing camping, canoe-launching, picnic, and information sites. The National Park Service requested the u.s. Geological Survey delineate floods at proposed sites for campgrounds and deter mine the water quality of the Riverway. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.