Alsdorf, Percy R.
Biographical notes:
not available for this record
Links to collections
Comparison
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Subjects:
- Amalgamation
- Cyanide process
- Mines and mineral resources
- Mining claims
- Ores
- Ores
Occupations:
not available for this record
Places:
- Russell Mining District (Colo.) (as recorded)
- Middle Russell Mining District (Colo.) (as recorded)
- Pewabic Gold Company Tunnel (Colo.) (as recorded)
- Colorado--Gilpin County (as recorded)
- Colorado--Gilpin County (as recorded)
- Upper Russell Mining District (Colo.) (as recorded)
- Colorado--Gilpin County (as recorded)
- Lake Mining District (Colo.) (as recorded)
- Lower Russell Mining District (Colo.) (as recorded)
- Pittsburgh Mine (Colo.) (as recorded)
- Clear Creek Mining District (Colo.) (as recorded)
