Exploring the Mystery of Washington's Mima Mounds | Mossback's Northwest

#Mysteries #Nature
A pimpled prairie south of Olympia is an enigma. Were the mounds made by floods, ice, earthquake or ancient gophers? An old story says they are the remains of ancient whales. For 200 years, researchers have pondered their origins with competing theories. Today on Mossback's Northwest, we're exploring the mystery of the Mima Mounds.
By https://www.youtube.com/@CascadePBS