[Snowflake group of mines, Ouray County, Colorado]. 1920.

Marks, John (John Henry), 1925-

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The Pioneer Irrigation Company assumed holdings of the Haigler Land and Canal Company in 1911. In 1914, the Company was owned by S. G. Porter and E. L. Smith, of Denver, Colorado. John H. Marks, a hydraulic, mining, and civil engineer, also worked in Denver, Colorado. From the description of Report on the Pioneer Irrigation Company : Denver, Colo., 1914. (Unknown). WorldCat record id: 79125565 From the description of Report on the Pioneer Irrigation Company : Denver, Colo., ...

Singleton, C. T.

http://n2t.net/ark:/99166/w6d54xhp (person)