Meridian altitudes
Cultural · 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 altitudes. Spelling variants may not be merged. see related variants →
Joseph Whitehouse: June 3, 1805
Joseph Whitehouse · Jun 3, 1805 · Marias River confluence (Decision Point), near present Loma, MT
"taken to determine latitude"
— transcribed as Meridian altitude
Clark: July 29, 1805
William Clark · Jul 29, 1805 · Three Forks of the Missouri
"two altitudes for latitude calculation"
