Live catalog from David Swayze research (~9,800 features) plus NAMAG magnetics, BGSU hull data, and steel-freighter classification. Swayze lists wrecks still missing precise positions; we add Erie, dive-verified, and mission ground-truth sources over time.
Initializing map…
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Supplemental catalogs: known_wrecks.json (18 GT sites), Erie DB (91), web scrape (167) — merge in progress.
Matches all wrecks whose coordinates fall within the box. Optional size filter keeps wrecks with length_ft within ± variance of target.
| ID | Name | Lat, Lon | Pin / quality | Hull | Vessel / type | Lost location / source |
|---|