COST OF CONSTRUCTION. 
67 
Section 5.— Valley of Flax river , from mouth of Bio Puerco of the ivest to crossing of Flax river, 
35 miles. 
GRADUATION, MASONRY, BTC. 
Earthwork, 700,000 cubic yards, at 15 cents. $105,000 
Masonry, 8,750 cubic yards, at $4 . 35,000 
Bridging, 350 feet, at $30 ... 10,500 
Ballasting, 35 miles, at $1,000 . 35,000 
185,500 
Add 100 per cent, for increase over eastern prices.185,500 
Amount for graduation, masonary, &c 
$371,000 
SUPERSTRUCTURE. 
Cross-ties, for 35 miles, at $1,500 per mile. 52,500 
Railroad iron—75 pounds per yard—delivered at the Mojave vil¬ 
lage, on Rio Colorado, for single track and sidings, for 35 miles, 
5,082 tons, at $110 per ton. 559,020 
Transportation of same, 326 miles, at 5 cents per ton per mile. 82,836 
Wrought-iron chairs and spikes, for 35 miles, at $800 per mile... 28,000 
Distributing and placing cross-ties and rails, 35 miles, at $1,500 
per mile. 52,500 
Amount for superstructure 
774,856 
EQUIPMENT. 
Locomotives, 4, at $10,500. 42,000 
Passenger cars, 3, at $3,100. 9,300 
Baggage cars, 1, at $1,600... 1,600 
Freight cars, 45, at 1,100. 49,500 
Engine-houses and passenger depots. 30,000 
Way stations for water and wood. 10,000 
Amount for equipment. 142,400 
1,288,256 
For engineering and contingencies, add 10 per cent... 128,826 
Amount... 1,417,082 
Average cost per mile... 40,488 
