Walter E. Heinrichs, Jr. mining collection: Bell Western Corp. � Arivaca, AZ
Dates
Dataset Reference Date
2012-05-29
Start Date
1971
End Date
1972
Summary
Documents from the Walter E. Heinrichs, Jr. mining collection. Description: Au, Ag- Geological geophysical and geochemical Evaluation Report-field notes and maps.
Summary
Documents from the Walter E. Heinrichs, Jr. mining collection. Description: Au, Ag- Geological geophysical and geochemical Evaluation Report-field notes and maps.