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Journal entry · May 13, 1805
Missouri River Breaks area — Patrick Gass: May 13, 1805
Patrick Gass · Missouri River Breaks area · Thwaites Vol. Gass 1807 First Edition
The place today: Missouri River Breaks area
few drops of rain fell. At 1 P.M. we embarked; passed
three creeks, one on the North side and two on the South;
went seven miles and encamped in a large bottom.
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The NPS atlas for this night
right shore, 10 mi NNW of Hell Creek State Park, MT
NPS campsite reconstruction (Bergantino)
About 8.1 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
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