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Index/Locations/Sierra Nevada

Sierra Nevada

Mountain range in the Western United States

Fact-Checks

4 results
Oct 26, 2025
Most Viewed

is mountain water safe to drink

Mountain water is not inherently safe to drink; , and reputable mountaineering medical guidance has shifted toward recommending reliable on-site disinfection or filtration rather than drinking untreat...

Feb 4, 2026

What environmental monitoring has been done for silver iodide and other seeding agents in states with long‑running programs?

States with long‑running programs have carried out periodic —sampling precipitation, surface water, soils, sediments and, in some cases, biological assays—and the bulk of that monitoring has found sil...

Oct 16, 2025

1954 train missing sierra Nevada

The claim that a train "went missing" in the Sierra Nevada in 1954 is not supported by the three archive excerpts provided: each excerpt is a newspaper-archive landing page that and instead promotes s...

Oct 16, 2025

december 12, 1954 missing locomotive Sierra Nevada number 19

The claim that a locomotive identified as "Sierra Nevada number 19" went missing on December 12, 1954 is ; none of the consulted records or summaries mention such an event, and available contemporary-...

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