meridian altitude
Tool · mentioned in 2 journal entries
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Westward
Fort Clatsop
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NPS L&C NHT trail data © National Park Service
AI-extracted reference. Each entry below was identified by AI as mentioning meridian altitude. Spelling variants may not be merged. see related variants →
Patrick Gass: June 3, 1805
Patrick Gass · Jun 3, 1805 · Marias River confluence (Decision Point), Loma, MT
"Lewis took observation at the point"
Clark: July 17, 1805
William Clark · Jul 17, 1805 · Missouri River above Great Falls, Gates of the Mountains
"taken for latitude reading"
— transcribed as Meridian altitude
