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Journal entry · September 12, 1804

Missouri River near White River — Patrick Gass: September 12, 1804

Patrick Gass · Missouri River near White River · Thwaites Vol. Gass 1807 First Edition

The place today: Missouri River near White River

day; passed a long range of black bluffs on the south side,
and an island covered with timber, which is all the timber that
can be seen from this place. The country round is all hills and
prairie. Captain Clarke, myself and another went out to
hunt, and did not return till after dark. The boat had much
difficulty in passing on account of the sand bars and strong
current, and did not make today more than four miles.

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The NPS atlas for this night

right shore, 9½ mi SW of Platte, SD

NPS campsite reconstruction (Bergantino)

About 4.4 miles of travel mapped this day (NPS’s reconstruction of the course)

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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

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