Appropriating money to the commissioner of natural resources (DNR) and authorizing the issuance of state bonds for the construction of a whitewater course on the Mississippi River in Minneapolis at the lower St. Anthony falls; requiring the commissioner to work with the Minneapolis park and recreation board, the university of Minnesota, the United States army corps of engineers and interested citizen groups to complete the project; subjecting the appropriation to certain restrictions; exempting the construction of a whitewater course at the Mississippi whitewater trail from public waters work permit requirements (ra)