The Grand Canyon of the Colorado; recurrent studies in impressions and appearances,

Mode of access: Internet.

In & around the Grand Canyon. The Grand Canyon of the Colorado River in Arizona

"Bibliography of the Grand Canyon region," p. 339-341.

Colorado, the queen jewel of the Rockies; a description of its climate and of its mountains, rivers, forests and valleys; an account of its explorers; a review of its Indians--past and present; a survey of its industries, with some reference to what it offers of delight to the automobilist, traveller, sportsman and health seeker; together with a brief resume of its influence upon writers and artists, and a short account of its problems and how met, and of its inexhaustible resources and their development.

"First impression, January, 1918."

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.