Anfinson, John O. Commerce and Conservation on the Upper Mississippi River.       U.S. Army Corps of Engineers, St. Paul. (date unknown)

Elsner, B.J. "We Were the Land Before the Land Was Ours." Rock Island :       Yesterday, Today, and Tomorrow. Ed. B.J. Elsner. Rock Island History Book       Committee. 1988.

Hefner, J.M., B.O. Wilden, T.E. Dahl and W.E. Frayer. Southeast Wetlands:       Status and Trends, Mid 1970’s to Mid 1980’s. U. S. Department of the       Interior, Fish and Wildlife Service, Atlanta. 1994.

Robinson, Ann and Robbin Marks. Restoring the Big River: A Clean Water Act       Blueprint for the Mississippi. Izaak Walton League of America and Natural       Resources Defense Council.  February 1994.

Svendsen, Marlys. Davenport: A Pictorial History 1938-1986. G. Bradley      Publishing Inc. 1985.

The McKnight Foundation. The Mississippi River in the Upper Midwest: Its       Economy, Ecology, and Management. The McKnight Foundation, 1996.

Tweet, Roald. A History of Navigation Improvements on the Rock Island Rapids      (Background of Lock and Dam 15). Rock Island District U.S. Army Corps of       Engineers. April, 1980.

- - - . A History of the Rock Island District Corps of Engineers 1866-1983. U.S.      Army Engineer District, Rock Island. 1984.

- - - . Joined By a River: Quad Cities. Lee Enterprises, Inc. 1982

- - - . The Quad Cities: An American Mosaic. East Hall Press, Augustana College.       1996.