Where: Porto District · Europe · approx. 41.35, -8.74 (vicinity only)
Why this spot: Victorian bottle era, historically mapped
What turns up: 1800s-1920s bottles, ceramics, shipwright hardware
Access: Restricted.
Portuguese heritage law; maritime public domain requires state authorisation.
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.