70 
COST OP CONSTRUCTION 
Section 8 .—From Aztec Pass to Cross mountain , 23.3 miles. 
GRADUATION, MASONRY, ETC. 
Earthwork, 582,000 cubic yards, at 15 cents. $87,300 
Rock-cutting, 46,200 cubic yards, at $1. 46,200 
Masonry, 5,825 cubic yards, at $4. 23,300 
Bridging, 233 feet, at $30. 6,990 
Grubbing and clearing, 10 miles, at $200. 2,000 
Ballasting, 10 miles, at $1,000. 10,000 
175,790 
Add 100 per cent, for increase over eastern prices. 175,790 
Amount for graduation, masonry, &c. $351,580 
SUPERSTRUCTURE. 
Cross-ties, for 23.3 miles, at $1,500 per mile. 34,950 
Railroad iron—75 pounds per yard—delivered at Mojave village, 
on Rio Colorado, for single track and sidings, for 23.3 miles, 
3,383.2 tons, at $110 per ton. 372,152 
Transportation of same, 93 miles, at 5 cents per ton per mile.... 15,732 
Wrought-iron chairs and spikes, for 23.3 miles, at $800 per mile 18,640 
Distributing and placing cross-ties and iron, 23.3 miles, at $1,500 
per mile. 34,950 
Amount for superstructure.. 476,424 
EQUIPMENT. 
Locomotives, 3, at $10,500... 31,500 
Passenger cars, 2, at$3,100. 6,200 
Baggage cars, 1, at $1,600. 1,600 
Freight cars, 40, at 1,100. 44,000 
Engine-houses and passenger depots... 20,000 
Way stations for water and wood... 10,000 
Amount for equipment........ 113,300 
941,304 
For engineering and contingencies, add 10 per cent. 94,130 
Amount... 1,035,434 
Average cost per mile......... 44,435 
