River basin surveys papers, no. 15-20. Inter-Agency Archeological Salvage Program. Frank H. H. Roberts, jr., editor

River Basin Surveys Roberts, Frank H. H (1897-1966) .Frank Harold Hanna 1960

Verfügbar in 33MQB MQB  Magasin  (USUEL E 51 B 952 Bul. 176 )