Journal Entry

Discovery of the Great Falls of the Missouri

June 13, 1805
Meriwether Lewis Great Falls, Montana Thwaites Vol. 2, pp. 147-151
AI Summary

Lewis became the first non-Indigenous person to see the Great Falls of the Missouri, a sight that moved him to unusually poetic prose, wishing for the artistic skill of Salvator Rosa or the writing of Thompson to capture its grandeur. The discovery confirmed the expedition had chosen the correct fork of the Missouri, matching descriptions previously given by the Mandan. However, the falls also signaled a daunting obstacle ahead: a series of five cascades that would force the party into an exhausting 18-mile portage lasting nearly a month.

Lewis discovered the Great Falls of the Missouri — and his response was one of the most lyrical passages in the journals, a rare moment when the taciturn explorer abandoned scientific precision for pure wonder.

“I wished for the pencil of Salvator Rosa or the pen of Thompson, that I might be enabled to give to the enlightened world some just idea of this truly magnificent and sublimely grand object, which has from the commencement of time been concealed from the view of civilized man.”

The discovery confirmed they were on the correct fork of the Missouri — the Mandan had described these falls. But the falls also presented a massive logistical challenge: the expedition would spend nearly a month portaging 18 miles around a series of five cascades, one of the most grueling episodes of the journey.

Read this entry in modern English AI-translated

Lewis discovered the Great Falls of the Missouri — and his response was one of the most lyrical passages in the journals, a rare moment when the quiet explorer set aside scientific precision for pure wonder.

"I wished for the pencil of Salvator Rosa or the pen of Thompson, that I might be able to give the enlightened world some just idea of this truly magnificent and sublimely grand object, which from the beginning of time has been concealed from the view of civilized man."

The discovery confirmed they were on the correct fork of the Missouri — the Mandan had described these falls. But the falls also presented a massive logistical challenge: the expedition would spend nearly a month portaging 18 miles around a series of five cascades, one of the most grueling episodes of the journey.

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