← ENCOUNTERS DIRECTORYENCOUNTER-CLAIM PROVENANCE PRESENT
E-009564LANDMARK CASE · HIGH CORROBORATIONDATE PRECISION: exactRECORD COMPLETENESS: 100%
Westhope Police Chief Car-Illumination Encounter
March 10, 1969Westhope roadway, North Dakota, United States
Police Chief Lavern Janzen reported a helmet-shaped disc passing over his car, hovering ahead and projecting a broad light beam onto the road.
// PROVENANCE COVERAGE
100% record completeness
This measures documentation coverage, not whether the encounter or its claims are true.
1 SOURCES · 1 PRIMARY
Date documented
March 10, 1969
Location documented
Westhope roadway, North Dakota, United States
Map coordinates available
Coordinate precision: region.
Catalogue classification linked
2 family link(s), 1 case-specific component(s).
Published citation-backed claims
1 encounter-target claim(s), 2 component claim(s).
Source coverage
1 unique source edition(s); 1 marked primary for at least one claim.
Assessment has encounter-level provenance
1 encounter-target published claim(s) can carry assessment provenance.
This dossier currently depends on a single source edition; independent coverage would strengthen comparison.
// ASSESSMENT METADATA
Stored case-assessment fields
Stored total witness estimate1
Stored verified-report count0
Instrumental evidence flagNO
Official investigation flagYES
// ENCOUNTER LOCATION · OPENSTREETMAP
COORDINATE PRECISION: REGION