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Aguilar (Colo.) and Aguilar (Colo.) and Aguilar (Colo.) and Aguilar (Colo.) and Coal mines and mining by Pastorelli, Abe and Tapoya, John and Bisulco, Alex and Tapoya, John of Aguilar, CO from 1978-08-20 and 1913/1978 and 1913/1978
- UC Boulder