breastwork
Cultural · mentioned in 2 journal entries
Planning
Westward
Fort Clatsop
Return
Post-expedition
NPS L&C NHT trail data © National Park Service
AI-extracted reference. Each entry below was identified by AI as mentioning breastwork. Spelling variants may not be merged. see related variants →
Calumet Bluff, meeting with Yankton Sioux — Patrick Gass: September 1, 1804
Patrick Gass · Sep 1, 1804 · Calumet Bluff, meeting with Yankton Sioux
"earthwork at right angles to river"
Missouri River near Niobrara River — Patrick Gass: September 3, 1804
Patrick Gass · Sep 3, 1804 · Missouri River near Niobrara River
"ancient fortification described in footnote"
— transcribed as Breastwork
