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Charles Robert Ewing papers

Identifier: COU:588

Scope and Contents

This collection contains the correspondence of Charles R. Ewing, legal and financial papers from the Embargo Ranch in Del Norte, Colorado, and survey records of various mining companies in Rio Grande, Saguache, and other counties.

Correspondence reflects the cattle and sheep rivalry, grazing problems, and mining interests of the Ewing family from 1884 to 1958, and the Embargo Ranch files include financial records, livestock sales receipts, bills and bank statements, and employee records from 1914 to 1959.

Mining records, including original plat drawings, surveys, and reports, come from the Belle of Thunder Mountain Mining Co. (Roosevelt, Idaho); the Buckhorn, Cornero, Crystal Hill, and Esperanza Mines (Saguache County, Colorado); and the Aztec, Embargo, Marian, Miami, and Summitville Mines (Rio Grande County, Colorado), among others in San Juan and Conejos County, Colorado.

The collection also contains personal and business ledgers and account books from the Ewing family and their businesses, as well as large format plat drawings and maps from the above mines.


  • 1870 - 1960

Copyright Statement

The University Libraries do not own the copyright to this collection. Researchers are responsible for contacting the copyright holder(s) for this material and obtaining permission to publish or broadcast. The University Libraries will not grant permission to publish or broadcast this material and are not responsible for copyright violations resulting from such use.

Biographical Note

Charles Robert Ewing (1879-1958) was born in Del Norte, Colorado to John Ewing Jr. and Ida B. Vanliew. Civil War veteran John Ewing Jr. was a prominent Del Norte citizen, having seved as Colorado State Senator and Representative from Rio Grande County, as well as mayor of Del Norte for several terms.

Charles R. Ewing attended the Colorado School of Mines from 1896 to 1900 and worked as a mine engineer for T.N. Barnsdale Corporation in Idaho and Arizona from 1900 to 1905. Returning to Del Norte in 1906, Ewing served as U.S. deputy mineral surveyor, assayer and chemist.

In 1916, Ewing homesteaded 640 acres north of Embargo Creek where he worked raising sheep and cattle with his son-in-law Maynard Oakes and grandson Robert R. Oakes. Ewing also served as secretary of the Del Norte Investment Co. and a member of the board of the Rio Grande County Bank.

Ewing married school teacher Willabelle Royce (1878-1934) of San Luis Valley, Colorado, in 1903 and was survived by his second wife, Dorothy Turner (1898-1988).


6 linear feet (13 boxes, 26 books, 4 large rolls)

Language of Materials



Charles Robert Ewing (1879-1958) was a rancher and mining engineer of Del Norte, Colorado. Papers contain information on the C. R. Ewing's Embargo Ranches of Del Norte, as well as records and original surveys from various mines in Rio Grande, Saguache, and other counties. The correspondence in this collection reflects the economic hardships in the cattle, sheep, and mining industries in the San Luis Valley.


This collection is arranged in four series: 1) Correspondence and Papers, 2) Mining records, 3) Ledgers and notebooks, and 4) Maps and blueprints. Files in the physical collection are in the order they were received by the donor.

Doris Mitterling (date unknown), Lindsay Steussy (2007), and Jamie Marie Wagner, 2019
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Describing Archives: A Content Standard
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Repository Details

Part of the University of Colorado Boulder Libraries, Rare and Distinctive Collections Repository

1720 Pleasant Street
184 UCB
Boulder Colorado 80503 United States