March 19, 1806
Chinookan lifeways

At Fort Clatsop, the captains give Coboway a certificate for his good conduct and describe Chinookan lifeways including manner of dress, decorations, and how they flatten their foreheads.
Chinookan lifeways

At Fort Clatsop, the captains give Coboway a certificate for his good conduct and describe Chinookan lifeways including manner of dress, decorations, and how they flatten their foreheads.
Aquatic birds

At Fort Clatsop near the Pacific Ocean, Lewis describes aquatic birds: four seagulls, black cormorant, Arctic loon, and western grebe. Pvt. Bratton’s back pain worsens, and the hunters take one elk.
Coboway and sons

Coboway and two sons bring cooked eulachon to Fort Clatsop which the captains find excellent. Detachments are sent out to hunt and fish, several men are sick, and Lewis lists aquatic birds of the area.
Western gray squirrel

At Fort Clatsop near Astoria, Oregon, there is little movement today other than violent winds and rain. Lewis describes Richardson’s ground squirrels and western gray squirrels—the latter new to science.
In Washington City, Arikara chief Too Né (Eagle Feather) draws a map and shows where Lewis and Clark were camped las winter.
Fresh eulachon

At Fort Clatsop near the Pacific Ocean, Clatsop traders arrive with fresh eulachon enabling Lewis to draw, describe, and taste this small fish. Hunters report that the elk have vacated the neighborhood.
Hats, mats, and baskets

At Fort Clatsop near present Astoria, Oregon, Lewis describes Chinookan eating utensils, woven baskets, and hats. A Clatsop man refuses to trade his otter skin robe for anything other than blue beads.
Across the Clatsop Plain

Sgt. Gass and Pvt. Shannon travel through the marshes and dunes of the Clatsop Plain on their way to the salt makers’ camp. At Fort Clatsop, Lewis describes Clatsop views on material goods.
An agreeable food

Clatsop villagers come to Fort Clatsop to sell whale blubber and dogs. Lewis finds the latter “an agreeable food”. Two men are sent to fetch long-overdue Pvts. Willard and Weiser from the salt works.
Wahkiakum traders

Clark gives visiting Wahkiakum traders a small peace medal and ties a red ribbon to a cone hat; Clatsop chief Coboway is given a razor. Clark also lists the day’s work details and sick men.
Chimneys

At Fort Clatsop, the enlisted men are hunting, setting up a salt works, building chimneys, or making pickets and gates. Coboway brings roots and receives a sheepskin headband and earrings in return.
Coboway's peace medal

Two canoes of Clatsops come to the construction site to trade wapato and a sea otter skin. The captains give a medal to Chief Coboway, and Clark describes the Clatsop’s desire for blue beads.