68 COST OF CONSTRUCTION. 
Section 6.— From crossing of Flax river to summit near Lerouz' s Spring, 81 miles. 
GRADUATION, MASONRY, ETC. 
Earthwork, 2,430,000 cubic yards, at 15 cents $364,500 
Rock-cutting, 1,690,000 cubic yards, at $1 1,690,000 
Masonry, 20,500 cubic yards, at $4 82,000 
Bridging, 1,600 feet, at $30 di 48,000 
Grubbing and clearing, 81 miles, at $200 16,200 
x nol 2,200,700 
Add 100 per cent. -for increase over eastern prices 2,200,700 
Amount for graduation, masonry, &c.......... 
SUPERSTRUCTURE. 
Cross-ties, for 81 miles, at $1,200 per mile 97,200 
Railroad iron—75 pounds per yard—delivered at the Mojave vil- 
lage, on Rio Colorado, for single track and sidings, for 81 miles, 
11,761.2 tons, at $110 per ton 1,293,732 
Transportation of same, 232 miles, at 5 cents per ton per mile..... 136,430 
Wrought-iron chairs and spikes, for 81 miles, at $800 per mile... 64,800 
Distributing and placing cross-ties and rails, 81 miles, at $1,500 121,500 
Amount for t 
EQUIPMENT. y 
Locomotives, 9, at $10,500 94,500 
Passenger cars, 8, at $3,100 24,800 
Baggage cars, 2, at $1,600 3,200 
Freight cars, 138, at $1,100 151,800 
Engine-houses and passenger depots 80,000 
Way stations for water and wood ..... 80,000 
Amount for equipment...................., gé 
For engineering and contingencies, add 10 per cent 
Amount 
Average cost per mile 
$4,401,400 
1,713,662 
434,300 
6,549,362 
654,936 
7,204,298 
88,949 
