Guide to the Colorado mountains [electronic resource] / [edited by] Robert Ormes, with the Colorado Mountain Club.. — 6th ed.. — Chicago, : Sage Books, [1970]. — 300 p. : illus., maps. 20 cm. Анотація: For other editions, see Author Catalog. LCCN: 72115033 Subjects--Topical Terms: Mountaineering--Rocky Mountains--Guidebooks.Hiking--Rocky Mountains--Guidebooks. Subjects--Geographic Terms: Rocky Mountains--Guidebooks.Colorado--Guidebooks. LC Class. No.: F782.R6 / C712 1970 Dewey Class. No.: 917.88