Lost California Treasure
SHIPWRECK Protected / Restricted

Unidentified Non-Dangerous Wreck (Test)

A charted marine wreck recorded in the NOAA Electronic Navigational Charts database (OBJECTID 545961). Classified as a non-dangerous wreck (test). Source record date: 200206.

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AI Summary & Quick Facts

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  • Target Name: Unidentified Non-Dangerous Wreck (Test)
  • Registry Category: shipwreck
  • Geographic Location: California Coastal Waters (Coordinates: 40.81374, -124.20014)
  • Land Status: Federal Marine Sanctuary (Restricted) (Classified as Protected / Restricted)
  • Primary Historic Source: NOAA ENC Coastal Chart Service - US,US,graph,Chart 18620
  • Search & Usefulness Rating: Score 52/100 (Field Readiness: Archive / View Only)
  • Summary Overview: A charted marine wreck recorded in the NOAA Electronic Navigational Charts database (OBJECTID 545961). Classified as a non-dangerous wreck (test). Source record date: 200206.

Historical Overview

A charted marine wreck recorded in the NOAA Electronic Navigational Charts database (OBJECTID 545961). Classified as a non-dangerous wreck (test). Source record date: 200206.

Field Search & Recovery Tips

This wreck is located in federal waters. Most underwater archaeological sites in California are protected by state and federal laws; diving is allowed, but harvesting artifacts is strictly prohibited.

Field Action Checklist

1
Use the source link, public overlooks, museum records, or agency pages; do not disturb the ground or wreck site.
2
Record photos, bearings, and public interpretation notes instead of collecting objects.
3
Contact the managing agency before any research that goes beyond viewing or documentation.
4
Check tides, swell, marine protected areas, and vessel traffic before any shoreline or water visit.

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    The SS Brother Jonathan was a luxurious paddle steamer carrying passengers and a cargo of gold coins from San Francisco to Portland. In July 1865, it struck an uncharted rock (now called Jonathan Rock) off Crescent.

  • Unidentified Dangerous Wreck shipwreck · California Coastal Waters · Medium probability

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  • Unidentified Dangerous Wreck shipwreck · California Coastal Waters · Medium probability

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    A charted marine wreck recorded in the NOAA Electronic Navigational Charts database (OBJECTID 545943). Classified as a dangerous wreck. Source record date: 20000708.

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    A charted marine wreck recorded in the NOAA Electronic Navigational Charts database (OBJECTID 545944). Classified as a non-dangerous wreck (test). Source record date: 20000708.

Research Dossier
52
Usefulness Rating Medium Potential
Land Status Designation Protected / Restricted

Federal Marine Sanctuary (Restricted)

Field Readiness Mode Archive / View Only
Research Coordinates
40.81374, -124.20014
Google Maps ↗ OpenStreetMap ↗ CalTopo ↗

Legal & Permit Review

REQUIRED California State Lands Shipwreck Info Check California submerged-land and shipwreck restrictions before diving, probing, or salvage activity. ↗ RECOMMENDED California State Lands Confirm whether tidelands, submerged lands, or navigable waterways are involved. ↗ RECOMMENDED NOAA Tide Predictions Check tide windows before shoreline, surf-zone, or intertidal observation. ↗ CONTEXT NOAA ENC Direct Compare charted wreck or obstruction context against current NOAA navigation data. ↗

Recommended Outfitting

Scuba Gear Underwater Camera Dive Flag
Reference Work Citation

NOAA ENC Coastal Chart Service - US,US,graph,Chart 18620

Open original reference source ↗