When and where was Michigan Police UFO Wave / Dexter-Hillsdale Activity documented?

This encounter was documented on March 14–24, 1966 in Dexter/Hillsdale and southeastern Michigan, Michigan, United States.

What sources and physical claims back the Michigan Police UFO Wave / Dexter-Hillsdale Activity record?

The ANOMALY archive indexes 1 independent source citations across 8 claims, achieving a provenance completeness score of 100%.

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E-009558LANDMARK CASE · HIGH CORROBORATIONDATE PRECISION: rangeRECORD COMPLETENESS: 100%

Michigan Police UFO Wave / Dexter-Hillsdale Activity

March 14–24, 1966Dexter/Hillsdale and southeastern Michigan, Michigan, United States

Police logs and Hall’s narrative describe a heterogeneous regional wave involving multiple jurisdictions, fast maneuvering lights/formations and the Dexter/Hillsdale close reports that later became associated with the swamp-gas controversy.

// LINKED CLASSIFICATIONS:Scientific & Observational Types(P-000101)→Historical Flaps & Concentrated Waves(P-000104)→

Claims are displayed with the source wording, locator, relationship and verification state. Competing claims remain separate rather than being averaged into a single answer.

SOURCE COMPARISON

Encounter · Hall Volume II Encounter Claim

HOW TO READ THIS →

CLAIM-952112reported

“Hall reproduces police/multi-jurisdiction activity across the March 1966 Michigan wave, including Dexter/Hillsdale reports and the later swamp-gas controversy.”

The UFO Evidence, Volume II: A Thirty-Year Report

SRC-009500 · March 1966 Michigan wave; uploaded PDF pp. 199-201

SUPPORTS

CLAIM-954022reported

“Section VIII provides the broader March 1966 wave context for the existing Michigan police/civilian cluster, including publicity, congressional reaction and later Condon Project attention.”

The UFO Evidence, Volume II: A Thirty-Year Report

SRC-009500 · Michigan wave broader context; uploaded PDF pp. 332-338

SUPPORTS

Multiple claim rows are intentionally retained when sources disagree. ANOMALY does not silently reconcile competing values.

SOURCE COMPARISON

Encounter · Hall Volume II Source Caveat

HOW TO READ THIS →

CLAIM-952125disputed

“The Michigan wave contained varied appearances and evidence quality; the swamp-gas controversy does not constitute one demonstrated explanation for every report.”

The UFO Evidence, Volume II: A Thirty-Year Report

SRC-009500 · Michigan wave/swamp-gas caveat; uploaded PDF pp. 199-201

CONTEXTUALIZES

SOURCE COMPARISON

Encounter · Hall Volume II Recurring Feature

HOW TO READ THIS →

CLAIM-955091reported

“Hall’s oscillation table includes the Dexter/Michigan reports of disc-shaped objects swinging or moving pendulum-like during the 1966 wave.”

The UFO Evidence, Volume II: A Thirty-Year Report

SRC-009500 · Michigan oscillation example; uploaded PDF pp. 432-433

SUPPORTS

SOURCE COMPARISON

Hall Volume II Police-Witness Evidence Framework · Hall Volume II Source Framework

HOW TO READ THIS →

CLAIM-952101reported

“Hall argues police reports are valuable because officers routinely observe roads, communities and unusual incidents and often leave contemporaneous logs or radio records.”

The UFO Evidence, Volume II: A Thirty-Year Report

SRC-009500 · Police witness framing; uploaded PDF pp. 184-211 · PRIMARY SOURCE

SUPPORTS

SOURCE COMPARISON

Hall Volume II Police-Witness Evidence Framework · Hall Volume II Recurring Feature

HOW TO READ THIS →

CLAIM-952102reported

“Section V contains repeated low structured objects, pursuit behavior, light beams, vehicle effects, multi-jurisdiction observations and occasional traces or photographs.”

The UFO Evidence, Volume II: A Thirty-Year Report

SRC-009500 · Recurring Section V patterns; uploaded PDF pp. 184-211 · PRIMARY SOURCE

SUPPORTS

SOURCE COMPARISON