This slide is from a presentation entitled "This is the Clearwater," created by Nancy Papish in cooperation with the Hudson River Archive. The Hudson River Sloop Clearwater, Inc. is an environmental organization that advocates for the protection of the Hudson River and its ecosystems. This slide is from a presentation entitled "This is the Clearwater," created by Nancy Papish in cooperation with the Hudson River Archive. Photo shows Hudson and Mohawk Rivers as commercial routes. (Color slide)