wanapum heritage center

Archaeology Days 2017 in Mattawa
In recognition of Archaeology Month, Grant PUD and the Wanapum invite members of the public and media to Archaeology Days 2017. Archeology Days will begin with Youth Day on Wednesday, Oct. 25 followed by Adult Day on Thursday, Oct. 26. Events and activities on both days will be held at the new Wanapum Heritage Center near Priest Rapids Dam at 29082 Highway 243, Mattawa, Wash...