102 MONTANA 19U 



Diversion Dams: Mainly log crib type, rock filled; dimensions not determined. 



Length of canals: 14 miles, with capacities greater than 300 second-feet; 82 

 miles, with capacities from 50 to 300 second-feet; 800 miles, with capacities less than 

 50 second-feet. 



Tunnels: Aggregate length, 2,300 feet. 



Water power: None developed. Possibility of developing about 300,000 horse- 

 power from Flathead River and principal mountain streams. 



Irrigable area: 152,000 acres, as follows: Jocko Division, IG.OOO acres; Mission 

 Division, 23,000 acres; Post Division, 30,000 acres; Crow Division, 14,000 acres; 

 Pablo Division, 40,000 acres; Poison Division, 6,000 acres; Big Arm Division, 3,000 

 acres; Camas Division, 20,000 acres. 



Present status of irrigable land: Entered under acts of congress approved 

 April 23, 1904, and May 29, 1908, about 70,000 acres; open to entry, about 2,000 acres; 

 withdrawn from entry, none; state lands, 5,000 acres; private lands, 75,000 acres, 

 mostly Indian allotments. 



Results to June 30, 1913, 



Canals: 10.73 miles, with capacities from 301 to 800 second-feet; 54.98 miles, 

 with capacities from 50 to 300 second-feet; 224.97 miles, with capacities less than 

 50 second-feet. 



Tunnels: 1; total length, 1,703 feet. 



Storage dams: Volume, earth, 331,428 cubic yards. 



Canal structures: Costing over $2,000 each— Concrete, 17. Costing from $500 to 

 $2,000 each— Concrete, 13; wood, 5. Costing from $100 to $500 each— Concrete, 71; 

 wood, 75. Costing less than $100 each— Concrete, 9; wood, 833. 



Bridges: Wood, 12^ less than 50 feet in length; total length, 2,183 feet. 



Culverts: Concrete, 5; length, 345 feet. Wood, 72; length, 1,292 feet. Cast iron, 

 2; length, 78 feet. 



Pipe laid: Concrete, 1,102 feet; cast iron, 78 feet. 



Flumes: Wood, 40; length, 7,768 feet. 



Buildings: Offices, 5; residences, 22; barns and storehouses, 12. 



Roads: 9 miles. 



Telephone lines: 98 miles. Telephones in use, 17. 



Material excavated: Class 1, earth, 1,928,796 cubic yards; class 2, indurated 

 material, 6,100,859 cubic yards; class 3, rock, 25,060 cubic yards. 



Riprap: 438 cubic yards. 



Paving: 12,612 square yards. 



Cement used: 5,333 barrels. 



Concrete placed: 4,300 cubic yards. 



Agricultural and Climatic Conditions. 



Area for which the service is prepared to supply water, season of 1913: 38,000 

 acres. 



Area under water rental applications, season of 1913, 11,444 acres. 



Length of irrigating season: May 1 to September 30, 153 days. 



Average elevaition of irrigable area: 3,000 feet above sea level. 



Average annual rainfall on irrigable area: At St. Ignatius, Mont., station, 16.24 

 inches; 1912 season, 16.7 Inches; probably less on average area. 



Range of temperature on irrigable area: -30 to 96 degrees F. 



Character of soil of irrigable area: Varies from light sandy loam to heavy clay. 



Principal markets: Missoula, Butte, Anaconda, and other mining and lumber 

 towns and camps. 



Principal products: Grain, hay, apples, vegetables, small fruits and cattle. 



FORT PECK (INDIAN) PROJECT. 

 Location. 



Counties: Valley, Sheridan. 



Townships: 26 to 33 N., Rs. 39 to 56 E., Montana Meridian. 



Railroad: Great Northern. 



Railroad stations and estlamted population, January 1, 1913: Wlota, Kintyre, 

 Frazer, 10; Oswego, 20; Lohmiller; Wolf Point, 250; Macon; Chelsea; Poplar, 600; 

 Sprole; Brockton, 100; Calais, and Blair, Montana. 



Water Supply. 



Source of water supply: Missouri and Poplar Rivers; Big Porcupine, Little 

 Porcupine, Wolf, Smoke and Big Muddy Creeks. 



Area of drainage toasin: Missouri River, 85,000 square miles; Poplar River, 

 3,000 square miles. 



Annual run-off in acre-feet (1909-1912): Poplar River, mean, 74,300; Big Porcu- 

 pine Creek at Nashua, mean, 20,000; Little Corcupine Creek, near Fraser, mean, 



— Water, sunshine and soil make crops; Montana has all three in abundance. 



