SIUSLAW SIUSLAW AND LOWER UMPQUA : Click for UPPER UMPQUA Siuslaw Territory: Central coast of Oregon. PORTALS . Confederated Tribes of The Coos, Lower Umpqua, and Siuislaw Indians < Coos Bay, Oregon Confederated Tribes of Siletz : part of whose membership is Siuslaw and Lower Umpqua < Siletz, Oregon . >Vol. 7: P.573 Siuslaw Population: United States - 220 P E N U T I A N ADS SEARCH ENGINE COLOSSUS International Directory of Search Engines Ezilon Directory North America