Ritter, Etienne A. (Etienne Alphonse)
Variant namesBiographical notes:
not available for this record
Links to collections
Comparison
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Subjects:
- Assaying
- Fluorspar
- Geology
- Gold mines and mining
- Gold mines and mining
- Mineral industries
- Mines and mineral resources
- Mine valuation
- Mining claims
- Ore deposits
- Ore-dressing
- Ores
- Ores
- Strip mining
- Volcanic ash, tuff, etc.
- Volcanoes
Occupations:
not available for this record
Places:
- Colorado--La Plata County (as recorded)
- California Mining District (Colo.) (as recorded)
- Baja California (Mexico) (as recorded)
- Colorado--Teller County (as recorded)
- Battle Mountain Mining District (Colo.) (as recorded)
- California Mining District (Colo.) (as recorded)
- Alma Mining District (Colo.) (as recorded)
- Colorado--Costilla County (as recorded)
- Colorado--Teller County (as recorded)
- Durango Girl Mine (Colo.) (as recorded)
- C.O.D. Mine (Colo.) (as recorded)
- Baltimore mine--Gold Hill Mining District (as recorded)
- Colorado--Gunnison County (as recorded)
- Harris & Farley Vein (Colo.) (as recorded)
- Richmond mine--Gold Hill Mining District (as recorded)
- Colorado--Park County (as recorded)
- Colorado--Eagle County (as recorded)
- Browns Canon Mining District (Colo.) (as recorded)
- Rito Seco Mining District (Colo.) (as recorded)
- Colorado--La Plata County (as recorded)
- Sussex mine--Gold Hill Mining District (as recorded)
- Teller County (Colo.) (as recorded)
- Fortune Dyke--Gold Hill Mining District (as recorded)
- Colorado--La Plata County (as recorded)
- Colorado--Chaffee County (as recorded)
- Colorado--Boulder County--Gold Hill Mining District (as recorded)
- Cripple Creek Mining District (Colo.) (as recorded)
