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.

A war-modified course of study for the public schools of Colorado.

I. Social subjects.--II. The tools of education.--III. The world of nature and of man.--IV. Special subjects.--V. Outline courses for high schools, junior and senior high school courses, four year high school outline miscellaneous.

Butterflies of Colorado.

Mode of access: Internet.

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.

Colorado outdoors.

1952- called v. 1-

Colorado health news.

V. 1-7 cover the years 1948-1954; V. 8-12 the years 1962-1966.