Map showing relative ease of excavation in the Aspen Quadrangle, Pitkin County, Colorado (Q118365)

From geokb
Map showing relative ease of excavation in the Aspen Quadrangle, Pitkin County, Colorado; 1972; I; 785-C; Bryant, Bruce
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Map showing relative ease of excavation in the Aspen Quadrangle, Pitkin County, Colorado
Map showing relative ease of excavation in the Aspen Quadrangle, Pitkin County, Colorado; 1972; I; 785-C; Bryant, Bruce

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