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Session · 4f2b · started 12:48
HISTORICAL
BOOKS
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All · 1,284
Historical archives · 412
Books & long-form · 318
Academic / papers · 244
News & periodicals · 198
General web · 96
Private / canon · 16
Human RoadView · sources
you
Historical archives
·
bancroft.berkeley.edu/diaries/parkman-1849
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confidence · high
Diary of George F. Parkman, Sept–Nov 1849 — Sierra Crossing
"…the snows came two weeks earlier than any year remembered. Three of our company perished above what they call Truckee Pass before the relief broke through…"
cited by · 14 sources
Books & long-form
·
archive.org/details/donner-stewart-1936
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confidence · high
Ordeal by Hunger — George R. Stewart (1936)
"By December the Pass was sealed under 14 feet of snow. Mortality among the parties stranded above the cabins reached 41% by the time the first relief party arrived in mid-February…"
cited by · 312 sources
Academic
·
jstor.org/stable/4451092
·
confidence · medium
"Trail Mortality in the Far West, 1840–1860" — Western Historical Quarterly
"Aggregated estimates for trail-related deaths place the Sierra Nevada crossings at 8–12% above the comparable Plains routes between 1845 and 1852, with 1849 showing the worst single-season mortality on record…"
cited by · 87 sources
News & periodicals
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cdnc.ucr.edu/sf-alta/1850-02-14
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confidence · medium
"Arrivals from the Mountains" — Daily Alta California, 14 Feb 1850
"…the surviving party reports that of the eighty-one souls in the original company, thirty-three did not come down. Provisions had been reduced to boiled hide for the latter five weeks…"
cited by · 22 sources
General web
·
en.wikipedia.org/Sierra_Nevada_Crossings
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confidence · low (encyclopedic)
Sierra Nevada Crossings — Wikipedia
"Overview article. Use only to navigate to primary sources; treat all unsourced claims as provisional…"
low-confidence lane
Agent RoadView · visible browsing
Cordelia
Cordelia
BROWSING
on behalf of Alexa · scope · this query only · 10 min window
1849 sierra nevada mortality data — filtering for primary sources
Now viewing
bancroft.berkeley.edu/diaries/parkman-1849
Diary of George F. Parkman — Sierra Crossing 1849
"Comparing this against Stewart 1936 for cross-verification of November mortality figures. Confidence raising from medium → high."
14:21
SAVED
Diary of George F. Parkman, 1849 · lane Historical archives
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COMPARED
Parkman diary vs. Stewart 1936 · 3 figures match within ±2%
14:19
OPENED
archive.org/details/donner-stewart-1936
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REJECTED
Pinterest pin · no provenance · low-confidence lane
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TYPED
"trail mortality" 1849 sierra · routed to lane Academic
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ROUTED
Query split across 4 lanes · weights · Historical 0.4 · Books 0.3 · Academic 0.2 · News 0.1
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STARTED
Browsing started · scope this query only · consent private