Till INDEX. 



Tag, . 



Ties and lumber for the whole route 96 



Fuel for the whole route, and its proportionate yearly cost on railroads 96 



Navigation of the Colorado river 97 



Daily inspection of the road and stations 97 



Soil on the whole route 97, 98 



General advantages of the route in soil, productions, population, surface, mountain passes, and climate 93 



Estimate of cost of construction 93, 99 



Business of the road; earnings; cost of working; Massachusetts roads ; New York roads . 99-104 



Comparison of the routes, showing the advantages and disadvantages of each; and explanation of the table of lengths, 



distances, &c., following 10-1-106 



Table showing the lengths, sum of ascents and descents, &c., &c., of routes explored 107 



Table of distances from the eastern termini of the routes to the Mississippi river and the principal Atlantic and Gulf 



ports .- 108 



CHAPTER VI. 



Notes on the characteristics of the route from Independence to Santa Fe 109, 110 



Notes on the characteristics of the route from Indianola, via San Antonio, to El Paso 110, 111 



MEMORANDA ON RAILWAYS BY BREVET CAPTAIN GEORGE B. Mc CLELLAN. 



Letter to Secretary of War 115 



Gradients 115 



Formulae 11G-119 



Curves 119 



Construction 119 



Weights, cost, &c 120 



Bridges 120,121 



Water and fuel 121,122 



Statistics of various railroads 122, 123 



Characteristics and cost of six railways 123-125 



Depots, &c 125,126 



Repairs and inspection of track 126 



Tunnels 126-129 



Table showing comparative lengths of some of the largest tunnels 129 



Snow 130 



Freight 130 



Cattle, &c 130 



REPORT OF GENERAL JESUP. 



Cost of transporting troops and supplies to California, Oregon, New Mexico, &c 133, 134 



