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Hills Ferry: head of San Joaquin navigation

BOTTLE DIGGING GRAY AREA INFERRED

Where: California · North America · approx. 37.34, -120.98 (vicinity only)

Why this spot: 1850-1885

What turns up: 1860s-70s black glass ales, western whiskies (long shot), sodas

Access: Gray area.

Townsite now private ag - skip the lots; river access at the Hills Ferry Rd bridge; riverbed state sovereign; refuge fringe = no collecting.

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.