Where: California · North America · approx. 38.3, -122.28 (vicinity only)
Why this spot: 1860-1930
What turns up: Celadon/Four Seasons shards (record, don't take), Jackson's Napa Soda locals
Access: Restricted.
City parkland above the bank (no digging); below-MHT mud gray. Chinese-heritage site - PRC 5097.5 exposure is real; look-don't-dig is the defensible posture.
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.