altitude/meridian instrument

Tool · mentioned in 1 journal entry

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 altitude/meridian instrument. Spelling variants may not be merged. see related variants →
Missouri River near Platte River mouth — Joseph Whitehouse: July 16, 1804
Joseph Whitehouse · Jul 16, 1804 · Missouri River near the Nishnabotna River
"took meridian altitude for latitude"

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