celestial observations

Tool · 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 celestial observations. Spelling variants may not be merged. see related variants →
Lewis: Ohio River Journey, September 16, 1803
Sep 16, 1803
"practiced for navigation skills"
Clark: February 14, 1806
William Clark · Feb 14, 1806 · Fort Clatsop, winter quarters
"used for survey and mapping"

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