Hidalgo del Parral district

Where: Chihuahua · North America · approx. 26.93, -105.66 (vicinity only)

Why this spot: Silver veins that anchored one of colonial Mexico's great mining towns from 1631

What turns up: quartz, calcite, fluorite, silver ore minerals

Access: Permission required.

La Prieta and other mines are concession ground within the city, ask at the mine museum.

Satellite view, historic-map overlays, tide/flow context and field notes are in the app. Exact research detail is part of Pro.