Journal entry · August 21, 1804
Missouri River near Vermillion area — Patrick Gass: August 21, 1804
Patrick Gass · Missouri River near Vermillion area · Thwaites Vol. Gass 1807 First Edition
The place today: Missouri River near Vermillion area
coloured bluffs, willow creek and the Sioux river on the north
side: and having come upwards of 20 miles, encamped on the
south side.
Entities mentioned in this entry
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The NPS atlas for this night
right shore 5 mi W of north Sioux City, IA
NPS campsite reconstruction (Bergantino)
About 27.0 miles of travel mapped this day (NPS’s reconstruction of the course)
From the NPS Lewis and Clark National Historic Trail Park Atlas, mirrored here on September 21, 2026. This copy is not authoritative; NPS remains the system of record. About the mirror
Terrain360 · the place today
Missouri River near Vermillion area in 360°
10 frames across 1.6 mi of the route around this location
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