12 BITLLETIX 300. U. S. DEPAKTMEUTT OF AGBICITLTDBE. 
Hull: Labor and material $1. SOS. 23 
Machinery: 
Material .- 4. 800. 00 
Freight 379. 10 
Drayage 72. 60 
Installing - 310. 60 
Extra equipment (forge tools, etc.) SO. 00 
lighting equipment (engine and dynamo and wiling) 207. 00 
7. 652. 53 
111 Colorado, a clipper dredge having a 24 by 75 foot hull. 1^-yard 
dipper, and 50-foot boom, was used in cleaning out and enlarging 
about 20 miles of canal. The equipment, complete, including cook 
and bunk boats, cost 116,500. Two shifts of 11 hours each were run, 
During the year for which the data are given the dredge was actually 
hi operation but 1S7 days, or 58 per cent of the total working days. 
The following crew were paid the given rates per month, including 
board: Head runner. 1 120; 1 runner, S110: 2 cranemen at 855; 2 
firemen at 845: 2 deckhands at 840; 1 teamster. 840: 1 cook, 850. 
Xo right-of-way clearing was required. The water for the boiler was 
taken from the canal, and as a result considerable trouble was 
experienced from mud and scale. The cost data below are based on 
the amount of material moved from inside the grade stakes during 
the year, amounting to 394. 3S7 cubic yards. It was estimated that 
an excess of 25 per cent was actually moved. The following was the 
cost of the work for one year: 
Operation: 
Labor operating dredge $6, 243. 70 
Coal, including freight, 1,276.65 tons, at $2.35 3 ; 000. 13 
Hauling coal. 1,276.65 tons, at 82§ cents : 1, 053. 24 
Oil. waste, and miscellaneous supplies 692. 80 
Cost of control li ng water to float dredge 369. 24 
Repairs, labor, and material 3. 894. 67 
Removing and replacing bridges. 837. 7S 
Interest and depreciation 6. 765. 00 
22, 856. 56 
Cost per cubic yard, $0,058. 
Miscellaneous expenses: 
Engineering and supervision $1. 856. 10 
Building up ditch bank and making road on top 4. 721. 75 
Right of way and legal expenses 190. 42 
6, 768. 27 
The cost of the dredging outfit was as follows: 
Hull: 
Material $1, 960. 83 
Labor, including hauling 1. 959. 99 
Machinery: 
Cost, including freight 9, 997. 72 
Hauling and installing 817. 55 
