Popular oil geology,

"An elaboration of a number of popular lectures in the geology of oil and gas ... delivered during the past winter, in part at the Colorado school of mines and in part in the city of Denver, under the auspices of the Colorado state oil commission."--Pref.

Geology of the Aspen mining district, Colorado, with atlas.

Literature: p. xxxii.

Quality of ground water in agricultural areas of the San Luis Valley, south-central Colorado /

Bibliography: p. 25-26.

Mountaineering in Colorado : the peaks about Estes Park /

Mode of access: Internet.

Life on a ranch; ranch notes in Kansas, Colorado, the Indian Territory, and northern Texas,

London edition (Longmans, Green, and co.) has title: Ranch notes in Kansas, Colorado, the Indian Territory, and northern Texas.

Breaking the wilderness; The story of the conquest of the far West, from the wanderings of Cabeza de Vaca, to the first descent of the Colorado by Powell, and the completion of the Union Pacific railway, with particular account of the exploits of trappers and traders, by Frederick S. Dellenbaugh...

Mode of access: Internet.

The journal of Jacob Fowler : narrating an adventure from Arkansas through the Indian territory, Oklahoma, Kansas, Colorado, and New Mexico, to the sources of Rio Grande del Norte, 1821-22 /

"Edition limited to 950 copies. No. 636."

Colorado, its gold and silver mines : farms and stock ranges, and health and pleasure resorts : tourist's guide to the Rocky Mountains /

Mode of access: Internet.

Two thousand miles on horseback, Santa Fé and back : a summer tour through Kansas, Nebraska, Colorado, and New Mexico, in the year 1866 /

Copy 1 -- photocopy.

Prehistoric villages, castles, and towers of southwestern Colorado,

2 copies.

Over the range to the Golden Gate : a complete tourist's guide to Colorado, New Mexico, Utah, Nevada, California, Oregon, Puget Sound and the great North-west /

Advertising matter interspersed.

Archaeological investigations in New Mexico, Colorado, and Utah (with 14 plates)

Publication 2442.

Water quality considerations for highway planning and construction : I-70, Vail Pass, Colorado /

Includes bibliography.

Environmental assessment : Gunnison travel interim restrictions : portions of Gunnison, Hinsdale, Delta, Montrose, and Saguache counties, Colorado.

"August, 2000."

Colorado, 2000. 2000 census of population and housing.

"PHC-2-7."