Events start today to celebrate the journey of Lewis and Clark.
Much of the Lewis and Clark Trail Heritage Foundation's annual meeting is for registrants only, but a reenactment of an encampment takes place this weekend at Sacajawea State Park in Pasco.
The encampment is open to the public 10 a.m. to 3 p.m. today and Sunday.
More than 130 people from across the country are expected to attend, said Rennie Kubik, an organizer of the event.
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The group works to preserve the trail the Lewis and Clark expedition took from 1804-06 between St. Louis and the Pacific Coast.
The group meets each year in a city along the route.