G. Rapp, Jr. No description specified. 1-3 (3 Records) Documents Archaeological Survey of the Replacement Pipeline Corridor at Cass Lake, Cass County, Minnesota (1988) A Cultural Resource Assessment Survey of the Mile Post 7 Site (1977) Results of the 1987 Archeological Investigations At the Travis 2 Site, 39WW15, Walworth County, South Dakota (1988)