Explore › NorCal bottle digging
Antioch / Pittsburg waterfront
BOTTLE DIGGING
GRAY AREA
INFERRED
Where: NorCal · approx. 38.02, -121.82 (vicinity only)
Why this spot: Smith's Landing 1849; New York Landing coal port
Access: Gray area.
City/state tidelands; industrial parcels private.
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.