Pettem, Silvia. Red rocks to riches : : gold mining in Boulder County, then and now / [electronic resource] / by Silvia Pettem.. — Boulder, Colo. : : Stonehenge Books,, 1980.. — 122 p. : : ill., ports., facsim. ; 20 cm. - Standing stone series.



0937050105 9780937050101


Gold mines and mining--Colorado--Boulder County.

TN423.C75 / B667x

978.8/63