ancient fortification
Cultural · mentioned in 3 journal entries
Planning
Westward
Fort Clatsop
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AI-extracted reference. Each entry below was identified by AI as mentioning ancient fortification. Spelling variants may not be merged. see related variants →
Also discussed in Coues 1893 (4-vol edition):
1
mention via 1
variant:
Ancient fortification (1)
Calumet Bluff, meeting with Yankton Sioux — Joseph Whitehouse: September 1, 1804
Joseph Whitehouse · Sep 1, 1804 · Calumet Bluff, meeting with Yankton Sioux
"half-moon shape, partly washed into river"
Calumet Bluff, meeting with Yankton Sioux — Patrick Gass: September 1, 1804
Patrick Gass · Sep 1, 1804 · Calumet Bluff, meeting with Yankton Sioux
"breastwork opposite camp, 2500 yards long"
Missouri River near Niobrara River — John Ordway: September 2, 1804
John Ordway · Sep 2, 1804 · Missouri River near Niobrara River
"entrenchment in half moon shape"