Out West : a monthly magazine of original and selected articles, bearing principally on the Rocky Mountain section, with a summary of news 

Report upon the Colorado River of the West, explored in 1857 and 1858 by Lieutenant Joseph C. Ives ... under the direction of the Office of... 

Gems of Rocky Mountain scenery : containing views along and near the Union Pacific Railroad 

Hand-book to Kansas Territory and the Rocky Mountains' gold region : accompanied by reliable maps and a preliminary treatise on the pre-emption laws... 

Eight hundred miles in an ambulance 

Ein ausflug nach den Felsen-gebirgen im jahre 1839 

Letter of J. C. Frémont to the editors of the National intelligencer, communicating some general results of a recent winter expedition across the... 

Narrative of the exploring expedition to the Rocky mountains in the year 1842 : and to Oregon and north California in the years 1843-44 

The Rocky Mountain gold regions, containing sketches of its history, geography, botany, geology, mineralogy and gold mines and their present... 

Report of the exploration of two passes through the Rocky Mountains, in 1858 ... 

Topographical map of the road from Missouri to Oregon, commencing at the mouth of the Kansas in the Missouri River and ending at the mouth of the... 

Rocky Mountain wildflowers 

Sketch of the quartz mining region of the Rocky Mountains. Including the adjacent country with principal roads, streams & towns