Meridian altitude
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 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"
— transcribed as meridian altitude
Clark: July 17, 1805
William Clark · Jul 17, 1805 · Missouri River above Great Falls, Gates of the Mountains
"taken for latitude reading"
