CONTEXTS. 



Page. 



Land areas 9 



Tlu' water supply 11 



Climate 12 



Crops 13 



The Gallatin Valley 14 



Climate 16 



West Gallatin River 19 



Use of water 23 



Diversion and distribution 23 



Methods of irrigation 24 



Flow of river and canals 24 



Duty of water under "West Gallatin Kiver 27 



Duty of water under H igli Line canal 28 



Duty of water under Kughen ditch 30 



Duty of water under Weaver and Stone ditch 31 



Water rights in the West Gallatin Basin 33 



Water rights on Middle Creek 37 



Water riglits on West Gallatin Kiver 43 



Application of water to crops 48 



Preparing the land 48 



Farm laterals 50 



Checks in laterals 51 



An irrigation stream 52 



Cost of applying water 52 



Irrigating barley in Gallatin Valley 53 



Irrigating alfalfa in Yellowstone Valley 54 



Duty of water in ^Montana 57 



Some conditions which affect the duty of water 58 



Units of measurement 62 



How measurements were made 64 



The ciuantity of water applied to individual crops 65 



Measurements made in 1899 - 65 



Measurements made in 1900 66 



Measurements made in 1901 67 



Measurements made in 1902 68 



Measurements made in 1 903 69 



Quantity of Avater applied to land under typical canals 69 



The Big ditch of Yellowstone County - - 70 



Canals of ( Jallatin County 73 



Middle Creek canal • 73 



Other canals from Middle Creek 74 



West Gallatin Irrigation Company's canal 76 



Kughen or Cameron canal 77 



(5) 



