Picture of the Day, Wisconsin Ruins of the Holbert Assay Laboratory on the Silverbrook Trail, Interstate Park – St. Croix Falls, Wisconsin January 4, 2012 / ©2012 John Wanserski for Creative Juice LLC Interstate Park Map of Interstate Park (PDF file) St. Croix Tales and Trails by Rosemarie Vezina Braatz (Amazon entry) Weather forecast for the St. Croix Falls, WI Blog entries for Interstate Park Videos of other parks, A-Z List , Locator Map Share on Facebook