(1 Image) aus USA/Colorado
Die Karte zeigt den Uravan Mineral Belt, in dem durch eine geologische Besonderheit Uran- und Vanadium-Vererzung im Kontext mit inkohlten Pflanzenresten konzentriert und abbauwürdig auftreten. Dies...
(2 Images) aus USA/Colorado/Chaffee Co./Monarch District/Madonna Mine
Madonna Mine, Monarch District, Chaffee Co., Colorado, USA; August 1987
(1 Image) aus USA/Colorado/Dolores Co./Rico District/Rico/Atlantic Cable Mine
Atlantic Cable Mine, Rico, Dolores Co., Colorado, USA; Datum: August 1987
(2 Images) aus USA/Colorado/Dolores Co./Rico District/Rico/Rico Boy Mine
Rico Boy Mine, Rico, Rico District (Pioneer District), Dolores Co., Colorado, USA; August 1987
Rico Boy Mine, Rico, Rico District, Dolores Co., Colorado, USA; August 1987
(2 Images) aus USA/Colorado/Douglas Co./Parker
(1 Image) aus USA/Colorado/El Paso Co./Pikes Peak
(3 Images) aus USA/Colorado/Lake Co./Climax District/Climax Mine
Climax Distr., Lake Co., Colorado, USA. 1988.
Climax Mine, Lake County, Colorado 1940; Foto: USGS-Public Domain
(2 Images) aus USA/Colorado/Mineral Co./Creede District
pittoresker Stützpunkt für Exkursionenzu den zahlreichen Minen der Umgebung.
pittoresker Stützpunkt für Exkursionen im Creede-District.
(2 Images) aus USA/Colorado/Mineral Co./Creede District/Amethyst Vein/Commodore Mine
Postkarte aus dem frühen 20. Jahrhundert
Postkarte von 1907
(1 Image) aus USA/Colorado/Mineral Co./Creede District/Bulldog Mountain Mine
Creede District, Mineral Co., Colorado, USA. 1975.
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