Explore a detailed historical survey of a major mining property in Sonora, with a rich 1868 report and map.
This edition presents Cummings Cherry’s assessment of the San Juan del Rio ranche, highlighting location, accessibility, mineral veins, water power, timber resources, and agricultural potential. It blends survey results with practical insights on mining operations of the era, offering readers a window into 19th‑century mining planning and regional development.
The material covers the property’s setting, from its distance north of the Arizona line to the Yaqui River water source, including how a wagon road and alternative routes connect to markets. It details historic mines in the area, the composition of fissure veins, and the potential for modern mining advances. Readers will also find notes on timber tracts, timber quality, and the value of heurigo, mesquit, and other woods for construction and fuel. The farming lands along the river valley are described as highly productive, with crops suited to irrigation and variable rainfall, plus livestock pasture and year‑round grazing described as advantageous for development.
- Clear property scope, location, and boundaries with historical context.
- Descriptions of mineral veins, ore forms, and their long‑term potential.
- Details on water power, timber supply, and agricultural suitability for a mining operation.
- Notes on neighboring mines, accessibility, and routes to markets.
Ideal for readers interested in historical mining enterprise planning, regional geology, and 19th‑century prospects in Northern Sonora.