Case Map — Search Investigations operation

Three anchor points (SHELTER — unconfirmed blue shelter drone-spotted 2023-10-20, CAMP, PLS), LPB search zones, CalTopo features, timeline events, water sources, coverage-gap POIs, and priority search areas. Toggle Show all CCSO SAR data to overlay everything the Coconino County Sheriff's SAR team did across their multi-op search (OP00 – OP10, Oct 2023 – Mar 2024). For a side-by-side comparison see CCSO vs Search Investigations.

Lost Person Behavior Model — Chelsea Grimm Profile

Search coverage (from SHELTER)

About this map

• CalTopo features (515 features) — from your CalTopo export. Search markers, route lines, clue points, assignment polygons. The PLS marker in the CalTopo export is at 35.40848, -112.39953 (very close to our authoritative 35.40904, -112.40133).
• Timeline events — geocoded events from data/timeline.json (Sept 24 → Oct 6 2023 disappearance window).
• Anchors — three reference markers: PLS (Chelsea's vehicle — where she was last seen), CAMP (her confirmed Sept 29-30 camp), and SHELTER (the unconfirmed 2023-10-20 blue-shelter drone sighting). Always visible.
• Water tanks — MK, Frenchman, Paradise, Mesa, Toughy, Elk — with coverage stats.
• Timeline anchors — Worthington property, FR 124 parking, FR124/FR6 junction ("I do have to leave you here"), G&F meadow encounter (Klima).