lOi 



MONTANA 19U 



Distribution system: First development to irrigate 00,000 acres; final develop- 

 ment, 24,000 acres additional. 

 Galpin Bottom Pumping Unit — 



Location irrigable areas: Ts. 20 and 27 N., Rs. 41 and 42 E. 



Proposed works: Pumping equipment for 20-foot lift with canals and distribu- 

 tion system to cover irrigable area of 10,000 acres. 

 Milk River Pumping Unit — 



Location irrigable areas: Ts. 20 and 27 N., Rs. 42, 43 and 44 E. 



Proposed works: Pumping plant to lift water from 10 to 20 feet out of Missouri 

 River Gravity Canal and distribution system for irrigable area of 8,000 acres. 

 Entire Project — 



Irrigable area: 152,000 acres. 



Present status: Practically all lands in Indian Reservation and chiefly allotted 

 to Indians. 



Results to June 30, 1913. 



Canals: 22 miles, with capacities from 50 to 300 second-feet; 35 miles, with 

 capacities less than 50 second-feet. 



Storage dams: Volume, 34,000 cubic yards of earth. 



Diversion dams: 2; 450 feet long, 4-foot concrete weirs; volume, 475 cubic yards 

 of concrete. 



Canal structures: Concrete— 7, costing over $2,000 each; 5, costing from $500 

 to $2,000 each; 22, costing from $100 to $500 each; 4, costing less than $100 each. 



Canal structures: Wood— 1, costing from $100 to $500 each; 108, costing less 

 than $100 each. 



Bridges: Combination, 1; length, 30 feet; wood, 13; total length, 219 feet. 



Buildings: Offices, 1; residences, 7; barns and storehouses, 5. 



Material excavated: Class 1, earth, 508,000 cubic yards; class 2. earth, 2,201 

 yards. 



Cement used: 1,118 barrels. 



Concrete placed: 1,140 cubic yards. 



Agricultural and Climatic Conditions. 

 Area for which service is prepared to supply water, season 1913: Little Porcu- 

 pine Unit, 2,125 acres; Poplar River Unit, 5,000 acres. 

 Area irrigated, season 1913: 700 to .Tune 30. 



Length of irrigating season: Prom April 1 to August 15, 137 days. 

 Average elevation of irrigable area: 2,000 feet above sea level. 

 Average rainfall on irrigable area: 13 inches. 1912, 12.7 inches. 

 Range of temperature on irrigable area: -40 to 100 degrees F. 

 Character of soil of irrigable area: Heavy clay and loam. 

 Principal products: Hay, grain and vegetables. 

 Principal markets: Local. 



The following table gives a summary of the reclamation projects in Montana: 

 Reclamation Service Projects in Montana. 



Indian Service Projects in Montana. 



Blackfeet 



Flathead 



Fort Peck 



Total, Indian Service 

 Total Montana . . . . 



122,500| 20,049 0| $ 814. GOG. 09,*$ 4,287,500.00 



**152,000| 38,000 4,C31| 1,214,501.78' 4,829,520.00 



***152,000| 7,500 550 298,225.071 4,028,000.00 



420,5001 72,149 5,181| 2,327,453.54! 13,745,020.00 



954,924] 169,730! 38,832! $ 9.737,002.71] $35,828,020.00 



Other Reclamation Service Projects. 



*Preliminary estimate, subject to material change after construction. 

 **Includes Grow, Big Arm and Camas Divisions, 37,000 acres. 

 ***Includes Galpin Bottom and Milk River Pumping Units, 18,000 acres. 



