IBIS, Intensive Biometric Intertidal Survey: An aerial and groundtruth investigation of salt marsh ecology, Wallops Island, Virginia (IBIS publication) By Reidenbaugh, Thomas G Books / Other Science, Technology, Engineering, Mathematics › Science Publisher: Dept. of Biology, American University, January 1978 Price $39.44 Free Shipping Send to a friend Used - Good Good condition. Paperback edition. Slightly dampstained. (wallops island, virginia, VA, ecology, science) NOT AVAILABLE FOR SHIPMENT OUTSIDE OF THE UNITED STATES. $39.44 1 in Stock at Warehouse Quantity Add Free Shipping to continental U.S. OR $1.00 per item discount if shipped to store.