D. VAN NOSTRAND. 43 



SILVER MINING REGIONS OF COLORADO, with some 

 account of the different Processes now being introduced for 

 working the Gold Ores of that Territory. By J. P. WHITNEY. 

 12mo. Paper. 25 cents. 



COLORADO: SCHEDULE OF ORES contributed by sundry 

 persons to the Paris Universal Exposition of 1867, with some 

 information about the Region and its Resources. By J. P. 

 WHITNEY, Commissioner from, the Territory. 8vo. Paper, with 

 Maps. 25 cents. 



THE SILVER DISTRICTS OF NEVADA. With Map. 8vo. 

 Paper. 35 cents. 



ARIZONA : ITS RESOURCES AND PROSPECTS. By Hon. 

 R. C. McCouMicK, Secretary of the Territory. With Map. 8vo. 

 Paper. 25 cents. 



MONTANA AS IT IS. Being a general description of its Re- 

 sources, both Mineral and Agricultural; including a complete 

 description of the face of the country, its climate, etc. Illustrated 

 with a Map of the Territory, showing the different Roads and 

 the location of the different Mining Districts. To which is 

 appended a complete Dictionary of THE SNAKE LANGUAGE, and 

 also of the famous Chinnook Jargon, with numerous critical and 

 explanatory Notes. By GRANVILLE STUART. 8vo. Paper. $2.00. 



RAILWAY GAUGES. A Review of the Theory of Narrow 

 Gauges as applied to Main Trunk Lines of Railway. By SILAS 

 SEYMOUR, Genl. Consulting Engineer. 8vo. Paper. 50 cents. 



REPORT made to the President and Executive Board of the 

 Texas Pacific Railroad. By Gen. G. P. BUELL, Chief Engineer. 

 8vo. Paper. 75 cents. 



