Walter E. Heinrichs, Jr. mining collection: Trinchera Ranch
Dates
Dataset Reference Date
2012-07-12
Summary
Documents from the Walter E. Heinrichs, Jr. mining collection. Description: Fe, Ti02 -Economic Geology Reconnaissance Report �maps-drill logs and other field notes, Various Geological and magnetic reports, maps and misc.data.
Summary
Documents from the Walter E. Heinrichs, Jr. mining collection. Description: Fe, Ti02 -Economic Geology Reconnaissance Report �maps-drill logs and other field notes, Various Geological and magnetic reports, maps and misc.data.