AT-0229

Ice Age Floods National Geologic Trail (U.S. National Park Service)

URL · Institutional background

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This is one canonical bibliographic record with topic-scoped research-use entries. It does not reproduce the paper, book, text, dataset, image, or manuscript and does not imply that full text was reviewed.

Canonical source ID: AT-0229
Accepted usage IDs: AT-0229
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Roles: Institutional background
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Recorded research uses

AT-0229

Missoula Floods

Why Ancient Inquiry uses this citation here

Current institutional overview of Glacial Lake Missoula, geography, and the 18,000 to 15,000 year public chronology

What this usage does not establish

Bibliographic verification does not by itself establish that the full text was read.

Topics citing it and claims using it

Topic citing this source

Missoula Floods

Supporting citation for public claim

The Missoula Floods were repeated Late Pleistocene outburst floods caused by failures of the ice dam holding Glacial Lake Missoula.

The model explains multiple independent categories of field evidence and is supported by decades of geological research.

Open claim topic

Supporting citation for public claim

The Missoula Floods are strongly supported by mapped geomorphology, lake evidence, repeated flood deposits, and quantitative reconstruction.

Answer / theory: Yes. They are strongly supported by geology. What supports it: Scabland erosion, giant ripples, erratics, gravel bars, flood deposits, lake evidence, and hydraulic modeling. What is weak or disputed: Exact flood count and timing. Evidence level: Strong Evidence.

Open claim topic

Supporting citation for public claim

The listed evidence establishes a regional glacial-lake outburst-flood sequence; it does not establish a worldwide deluge.

Answer / theory: No. They prove a major regional Ice Age flood sequence, not a worldwide deluge. What supports it: The evidence is regional and tied to glacial lake outburst mechanics. What is weak or disputed: Attempts to force the event into global flood narratives. Evidence level: Misrepresented Source when used as global flood proof.

Open claim topic

Supporting citation for public claim

The accepted Missoula model is glacial-lake outburst flooding and does not require an impact trigger.

Answer / theory: The accepted mechanism does not require an impact. Ice-dam failure is enough. What supports it: Geological evidence for Glacial Lake Missoula and repeated dam failure. What is weak or disputed: Impact-based overextension from the broader Younger Dryas debate. Evidence level: Weak Evidence for impact causation.

Open claim topic

Supporting citation for public claim

Repeated failure of the ice dam retaining Glacial Lake Missoula is sufficient within the accepted mechanism to generate the floods.

Answer / theory: The accepted mechanism does not require an impact. Ice-dam failure is enough. What supports it: Geological evidence for Glacial Lake Missoula and repeated dam failure. What is weak or disputed: Impact-based overextension from the broader Younger Dryas debate. Evidence level: Weak Evidence for impact causation.

Open claim topic

Access and actions

Ice Age Floods National Geologic Trail (U.S. National Park Service)