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Showing Collections: 1 - 2 of 2

Papers of Hal D. Simpson

 Collection
Identifier: WHDS
Abstract Hal D. Simpson (b. 1945) worked in the Colorado Division of Water Resources (DWR) for 34 years, serving as State Engineer from 1992 to 2007. This collection includes materials from Simpson’s time with the Division of Water Resources; meeting agendas, notes, and other materials from his time on the Western States Water Council, particularly from his time as Council Chairman from 2004 to 2006; papers and presentations authored by Simpson; his calendars; and reference materials, comprised...
Dates: 1941-2007; Majority of material found in 1970-2007

Papers of Ronald K. Blatchley

 Collection
Identifier: WRKB
Abstract Ronald K. Blatchley (b. 1929) was a water consultant in Colorado from the early 1960s into the 2000s. He worked at two firms, Tipton and Kalmbach, and W. W. Wheeler and Associates, before starting his own consulting firms Blatchley Associates, North Fork Associates, and Mountain Mutual Reservoir Company. Consisting mainly of reports from his firms, the collection includes augmentation plans, water rights evaluations, and groundwater studies. Blatchley's clients were mostly located in the...
Dates: 1938, 1963-2007; Majority of material found within 1974-1995