Where: California · North America · approx. 37.86, -122.48 (vicinity only)
Why this spot: 1900 historic-map era
What turns up: Houseboat-era and Gilded-Age waterfront glass, ceramic and hardware in the tidal mud along the old shipways.
Access: Gray area.
Public shoreline and state tidelands; surface finds tolerated, tideland removal restricted under PRC 5097.5.
Open in Mudlark Map →
Satellite view, historic-map overlays, tide/flow context and field notes are in the app. Exact research detail is part of Pro.
Pins are approximate by design. This page is historical research, not permission to dig. Check ownership and local law first.