IRRIGATION 93 



LOWER YELLOWSTONE PROJECT. 



Location. 



Counties: Dawson, Mont.; McKenzie, N. D. 



Townships: 18 to 26 North, Range 5G to GO E., Montana Meridian; 150 to 152 N., 

 R. 104 W., Fifth Principal Meridian. 



Railroads: Northern Pacific, Great Northern and Missouri River Railway. 



Railroad stations and estimated population, January 1, 1913: Intake, 75; Burns, 

 25; Savage, 255; Crane, 25; Sidney, 450. 



Water Supply. 



Source of water supply: Yellowstone River. 

 Area of drainage 'basin: 6G,000 square miles. 



Annual run-off in acre feet: Yellowstone River at Glendive, Montana, 1903-1912; 

 maximum, 13,300,000; minimum, 8,500,000; mean, 10,800,000. 



Data for Complete Project. 



Diversion dam,: Type, rock-filled timber weir; maximum hight, 12 feet; length 

 of crest, 700 feet; length of rock .fill, 700 feet; volume, 14,000 cubic yards. 



Length of canals: 49 miles with capacities greater than 300 second-feet; 19 

 miles with capacities from 50 to 800 second-feet; 190 miles with capacities less than 

 50 second-feet. 



Dikes: Aggregate length, 35,600 feet. 



Water power: Estimated 290 horse power; none developed. 



Irrigable area: Entire project, GO, 116 acres; first unit, 40,914 acres; extensions, 

 19,202 acres. 



Present status of irrigable land: Entered subject to Reclamation Act, 14,068.0 

 acres; open to entry, 3,845.0 acres; state lands, 1,644 acres; private lands, 40,559.0 

 acres. 



Results to June 30, 1913. 



Canals: 49 miles with capacities from 301 to 800 second-feet; 19 miles with 

 capacities from 50 to 300 second-feet; 133.2 miles with capacities less than 50 

 second-feet. 



Waste waiter ditches and drains: 31 miles. 



Diversion dams: Completed. 



Dikes or levees for protection from overflow: Total length, 35,600 feet; volume, 

 138,276 cubic yards. 



Canal structures: Costing over $2,000 each: Concrete, 48; wood, 1. Costing 

 from $500 to $2,000 each: Concrete, 90; wood, 4. Costing from $100 to $500 each: 

 Concrete, 48; wood, 54. Costing less than $100 each: Concrete, 71; wood, 1,183. 



Bridges: Steel, 15 with lengths of 50 feet or more; 16 with lengths less than 

 50 feet; total length, 1,474 feet. Combination, 6 with lengths of less than 50 feet; 

 total length, 155 feet. Wood, 8 with a length of 50 feet or more; 122 with lengths 

 less than 50 feet; total length, 1,960 feet. 



Culverts: Concrete, 37; length, 3,678 feet. Wood, 192; length, 3,817 feet. Terra 

 cotta, 31; length, 2,913 feet. 



Pipe laid: Terra cotta, 16,783 feet. 



Flumes: Concrete, 10; length, 840 feet. Wood, 29; length, 1,073 feet. 



Buildings: Offices, 4; residences, 23; barns and storehouses, 18. 



Wells: 7; aggregate dep*th, 200 feet. 



Roads: 10.5 miles. 



Telephone lines: 80 miles. Telephones In use, 24. 



Material excavated: Class 1 .earth, 6,326,473 cubic yards; class 2, indurated 

 material, 182,733 cubic yards; class 3, rock, 189,111 cubic yards. 



Riprap: 18,736 cubic yards. 



Cement used: 27,345 barrels. 



Agricultural and Climatic Conditions. 



Area for which the service is prepared to deliver water, season of 1913, 37,799 

 acres. 



Area under water right applications, season 1913: 29,737. 



Length of irrigating season: May 15 to October 10; 148 days. 



Average elevation irrigable area: 1,900 feet. 



Average annual rainfall on irrigable area: 16.5 inches for seven years; 18.9 

 for 1912. 



— Montana fruits and niellons are everywhere in demand. 



