REFINE     Who What Where When     REMOVE Boulder Gold Hill 1928 WHAT Mines and mineral resourc … (2) Mines and mineral resourc … (2)

REFINE  Browse All : Images of Boulder and Gold Hill from 1928 1-2 of 2 Map of Boulder County c... Drumm, Henry A., 1857-1... 1928 Boulder (Colo.)   Title Map of Boulder County claims around Porphyry Mountain in Colorado Date Issued 1928 County Boulder Identifier mesc_miningMaps_43305500.jpg Map of Boulder County c... Drumm, Henry A., 1857-1... 1928 Boulder (Colo.)   Title Map of Boulder County claims along North Boulder Creek in Colorado Date Issued 1928 County Boulder Identifier mesc_miningMaps_43306100.jpg 1-2 of 2

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