Maps. Colorado Rand, McNally and company Advertise sectional map; also Dolores mines. R. M. News. May 28, 1880 p.4 c.3 Endorsement of Nell's map of Colorado. R. M. New s. Tune 4, 1880 p.5 c.1 Prepared for land office, 'Washington. R.M. News. Aug. 23, 1869 p.4 c-2 Thayer's, San luan mining region, on sale, Denver. R. M. News. May 4, 1877 p.4 c.1
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