by Enache, Mihaela D, Charles, Don F, Belton, Thomas J, Callinan, Clifford W
Published in Lake and reservoir management (01.01.2012)

by Charles F. Gardner and Don Walker
Published in McClatchy - Tribune News Service (17.07.2007)

by CHARLES F. GARDNER and DON WALKER
Published in Milwaukee journal sentinel (09.09.2005)

by CHARLES F. GARDNER and DON WALKER
Published in Milwaukee journal sentinel (02.07.2005)

by CHARLES F. GARDNER and DON WALKER
Published in Milwaukee journal sentinel (13.04.2005)

by DON WALKER and CHARLES F. GARDNER
Published in Milwaukee journal sentinel (16.10.2004)

by DON WALKER AND CHARLES F. GARDNER
Published in Milwaukee journal sentinel (08.03.2003)

by DON WALKER AND CHARLES F. GARDNER
Published in Milwaukee journal sentinel (23.02.2002)

by CHARLES F. GARDNER AND DON WALKER
Published in Milwaukee journal sentinel (28.09.2001)

by DON WALKER and CHARLES F. GARDNER
Published in Milwaukee journal sentinel (09.08.2001)

by CHARLES F. GARDNER AND DON WALKER
Published in Milwaukee journal sentinel (09.08.2001)

by DON WALKER AND CHARLES F. GARDNER
Published in Milwaukee journal sentinel (22.07.2001)

by DON WALKER AND CHARLES F. GARDNER
Published in Milwaukee journal sentinel (26.06.2001)

by CHARLES F. GARDNER and DON WALKER cgardner@journalsentinel.com
Published in Milwaukee journal sentinel (18.07.2007)