black sulphur bluffs
Place · 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 black sulphur bluffs. Spelling variants may not be merged. see related variants →
Prairie dog village near present-day Chamberlain — Patrick Gass: September 10, 1804
Patrick Gass · Sep 10, 1804 · Prairie dog village near present-day Chamberlain
"on south side of river"
Fort Mandan, North Dakota — Patrick Gass: November 10, 1804
Patrick Gass · Nov 10, 1804 · Fort Mandan, North Dakota
"on south side, found petrified fish bones"