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Journal entry · July 15, 1804
Missouri River near Platte River mouth — Patrick Gass: July 15, 1804
Patrick Gass · Missouri River above St. Joseph · Thwaites Vol. Gass 1807 First Edition
The place today: Missouri River above St. Joseph
creek on the south side; and gathered some ripe grapes.
There is high land and prairies on this side. Captain Clarke
and two men went by land. At the head of an island, called
Elk island, we found some pummice stone among the drift
wood. We passed acreek on the south side, called Na-ma-ha,
and encamped on the same.
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The NPS atlas for this night
right shore 3 mi E of Langdon, MO in KA (location uncertain, per NPS)
NPS campsite reconstruction (Bergantino)
About 7.2 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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