TO CONGRESS. FROM THE Upper Mississippi River Improvement Association, PRESENTED BY HON. S. R. VAN SANT, St. Paul, Minnesota HON, ELLIS B. USHER, LaCrosse, Wis. CAPT. ALONZO BRYSON, Davenport, Iowa FRANK GAIENNIE, - St. Louis, Missouri LEWIS 8. BOSWELL, - Quincy, Illinois COMMITTEE.