152 BUREAU OF AMERICAN ETHNOLOGY [BnlL 179 



PAGE 



Comparative Plateau sites 238 



The Dalles region.. - 238 



Hobo Cave - 240 



John Day Reservoir 242 



The Wahluke Site 242 



The Yakima region 243 



The Chief Joseph Reservoir 244 



The Upper Columbia region 244 



British Columbia 245 



The Snake-Clearwater region 246 



Early Plateau sites. 248 



Summary 249 



Plateau culture in the Early Historical Period-. 250 



Seasonal migration 251 



Architecture 252 



Material culture 253 



Burial 254 



Economy 254 



Ceremony 257 



Conclusions 257 



Bibliography 263 



ILLUSTRATIONS 



PLATES 



(All plates follow page 266) 



30. a, Workmen measuring artifact location. 6, Volcanic ash at Hat Creek 



(35-UM-5). 



31. o, Ash stratum at site 35-UM-3. h, Ash stratum at Hat Creek (35-UM-5). 



32. a, Projectile points, Hat Creek (35-UM-5). h, Flake scrapers, Hat Creek 



(35-UM-5). 



33. a, Carved bone, Hat Creek (35-UM-5). h, Hammers and choppers, Hat 



Creek (35-UM-5). 



34. a, Shell stratum in profile, Cold Springs (35-UM-7). h, View of terrace. 



Cold Springs (35-UM-7). 



35. a, Stone knives. Cold Springs (35-UM-7). 6, Projectile points, Cold Springs 



(35-UM-7). 



36. a, House pit 4, Cold Springs (35-UM-7) before excavation, h, Earth oven, 



Cold Springs (35-UM-7). 



37. a. Artifacts from Techumtas Island (35-UM-17) . 6, House pit 14, Techumtas 



Island (35-UM-17). 



38. Projectile points, Wallula (45-WW-6). 



39. a. Bone tools from Wallula (45-WW-6). h, Antler wedges from Wallula 



(45-WW-6). 



40. a. Discoid choppers, Wallula (45-W W-6) . 6, Cobble choppers and hammers, 



Wallula (45-W W-6). 



41. a. Stone hoes from Wallula"^(45-WW-6) . 6, Net weights from Wallula 



(45-W W-6). 



42. a. Chipped stone from Berrian's Island. 6, Stone mauls from Berrian's 



Island (45-BN-3). 



