COST OF CONSTRUCTION. 
71 
Section 9.—From Cross mountain to the crossing of Big Sandy, 27.5 miles. 
GRADUATION, MASONRY, ETC. 
Earthwork, 760,000 cubic yards, at 15 cents 
Rock-cutting, 425,000 cubic yards, at $1 
Masonry, 8,250 cubic yards, at $4 
Bridging, 550 feet, at $30 
Grubbing and clearing, 25 miles, at $200 
Ballasting, 10 miles, at $1,000 
Add 100 per cent. for increase over eastern prices 
$114,000 
425,000 
33,000 
16,500 
5,000 
10,000 
603,500 
603,500 
Amount for graduation, masonry, &c 
SUPERSTRUCTURE. 
Cross-ties, for 27.5 miles, at $1,800 
Railroad iron—75 pounds per yard—delivered at Mojave village, 
on Rio Colorado, for single track and sidings, for 27.5 miles, 
EN toris, at TI di aech (ARS 
Transportation of same, 68 miles, at 5 cents per ton per mile...... 
Wrought-iron chairs and spikes, for 27.5 miles, at $800 per mile... 
Distributing and placing cross-ties and rails, 27.5 miles, at $1,500 
4 
Amount for 
47,500 
439,230 
13,576 
22,000 
41,250 
EQUIPMENT. 
Locomotives, 3, at $10,500 
Passenger cars, 3, at $3,100 
Baggage cars, 1, at $1,600 
Freight cars, 47, at $1,100.............. 
Engine-houses and passenger depots 
Way stations for water and wood 
-31,500 
Amount for equipment 
= 
For engineering and contingencies, add 10 per cent 
. Amount 
Average cost per mile 
$1,207,000 
563,556 
169,100 
1,939,656 
193,966 
2,133,622 
11,583 
