Northern Colorado Coals, Inc. Collection, 1889-1968
Collection consists of correspondence, reports, clippings, schedules, by-laws, and other material pertaining to Northern Colorado Coals, Inc. Organized in 1915 as an association to provide insurance for injuries, and fatalities that occurred in the mines of member companies, it was reorganized in 1933 as a sales agent for Colorado coal producers.
Bridwell, O. F; gift, 1967-1971
Northern Colorado Coals Collection, MSS.467, History Colorado, Denver, Colorado.