Explore › NorCal bottle digging
Richmond: Stege Marsh / Lauritzen Channel
BOTTLE DIGGING
PROHIBITED / VIEW ONLY
INFERRED
Where: NorCal · approx. 37.9, -122.32 (vicinity only)
Why this spot: -
Access: Prohibited / view only.
Most acutely toxic muds on the Bay: arsenic/pyrite cinders; DDT Superfund.
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.