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E-009569LANDMARK CASE · HIGH CORROBORATIONDATE PRECISION: exactRECORD COMPLETENESS: 100%

Harrisburg Police Physiological-Effect Encounter

December 4, 1988Harrisburg area, Illinois, United States

A county officer reported a close silvery oval with intense light, heat/tingling/dizziness and later symptoms; a second motorist also reportedly saw it. Dust on the patrol car later proved compositionally ordinary.

// LINKED CLASSIFICATIONS:Ovoid / Egg / Oval / Football(C-000256)→Scientific & Observational Types(P-000101)→
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

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CLAIM-952123reported
“A county officer reported a close silvery oval with intense light and physiological effects; a second motorist also saw it.”
The UFO Evidence, Volume II: A Thirty-Year Report
SRC-009500 · December 4, 1988 Harrisburg; uploaded PDF pp. 207-208
SUPPORTS
SOURCE COMPARISON

Encounter · Hall Volume II Source Caveat

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CLAIM-952127corroborated
“Powder on the patrol car was analyzed as common clay, sodium, carbon, salt and potassium chloride.”
The UFO Evidence, Volume II: A Thirty-Year Report
SRC-009500 · Harrisburg residue analysis; uploaded PDF pp. 207-208
SUPPORTS
SOURCE COMPARISON

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

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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

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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
Harrisburg Police Physiological-Effect Encounter (December 4, 1988): Evidence Dossier & Witness Reports | ANOMALY | ANOMALY UAP Archive & Controlled Vocabulary