Preliminary applications of Landsat images and aerial photography for determining land-use, geologic, and hydrologic characteristics : Yampa River basin, Colorado and Wyoming /

Mode of access: Internet.

Senate journal of the ... Legislature of the State of Colorado.

Mode of access: Internet.

Aphids of the Rocky Mountain region : including primarily Colorado and Utah, but also bordering area composed of southern Wyoming, southeastern Idaho and northern New Mexico /

Includes index.

Butterflies of Colorado.

Mode of access: Internet.

Biennial report of the State Superintendent of Public Instruction for the two school years ending ... /

Official biennium ending Nov. 30; "19th" skipped in sequential numbering; none published for 1921/1922?

Estimating 1980 ground-water pumpage for irrigation on the high plains in parts of Colorado, Kansas, Nebraska, New Mexico, Oklahoma, South Dakota, Texas, and Wyoming /

Bibliography: p. 35-36.

Plan of study for the regional aquifer systems analysis of the upper Colorado River Basin in Colorado, Utah, Wyoming, and Arizona /

Mode of access: Internet.

The United Mine Workers of America, district no. 15, employes of the Colorado Fuel and Iron Company, vs. the Colorado Fuel and Iron Company. Findings and award.

Type-written letter: "To all employees" from J. F. Welborn, president of the Colorado Fuel and Iron Company, written after the findings of the Colorado Industrial Commission (mounted at end)

Archaeological investigations on the Uncompahgre Plateau in West Central Colorado /

"Supplementary reports ... by Charles B. Hunt ... Al Look ... Norton H. Nickerson and Ding Hou."

Flood plain management study : Rio Grande near Del Norte, Colorado /

Chiefly plates.

Colorado workmen's compensation and industrial commission laws, passed by the twentieth general assembly of the state of Colorado, 1915 : as amended by the twenty-first general assembly, 1917.

Mode of access: Internet.

Royal Gorge EIS area, Colorado : proposed domestic livestock grazing program /

Mode of access: Internet.

A look back; a 75 year history of the Colorado Game, Fish and Parks Division, 1897-1972.

Editing: Vince Prichard, Pete Hansson, Bettie Mock.

Colorado decisions. Every opinion of the Supreme court and Court of appeals of the state of Colorado.

Associate editors: v. 1, G. T. Sumner; v. 2, H. B. Emmons, C. W. Disbrow; v. 3, C. W. Disbrow.

An estimate of personal income payments by Colorado county, 1948

Bibliography: p. 26-28.