The geologic history of Eastern Washington is a primordial game of rock, paper, scissors
. The weapons are deep basalt flows
, glaciers grinding away as they advance and retreat, and cataclysmic floods
. The results of this immortal combat
over millions of years are only thinly disguised under a few centimeters of soil with indigenous settlements tens of millennia old (many submerged in Lake Roosevelt
after the construction of Grand Coulee Dam
), and the apex of human technology; the cities, less than 200 years old, sprinkled about.
--- Office of the Cultural Detective #OotCD