ILLUSTRATIONS. XV 



Page. 



Fig. 24. Profile across beaches at Huuter, N. Dak., and westward 435 



25. Profile across beaches in the vicinity of Arvilla and Larimoro, N. Dak 436 



26. Profile across beaches at lukster, N. Dak., and westward 437 



27. Profile across beaches at Park River, N. Dak., and westward 437 



28. Section on the international boundary, south of ranges 6 and 5, Manitoba 439 



29. Section across ranges 6 and 5, Manitoba, 9 to 10 miles north of the international boundary. 440 



30. Section on the south side of township 15, rauges 13 and 12, Manitoba, between Arden 



and Gladstone 441 



31. Diagram indicating the probable relationship of sources of artesian water at Grandin, 



N. Dak 525 



32. Section across the Ked Kiver Valley, showing the water supjily of its fresh artesian 



wells 527 



33. Section from the Kocky Mountains to the Red River Valley, showing the water supply 



of its saline artesian wells 527 



34. Section showing the series of artesian wells from Devils Lake and Jamestown south- 



ward to Yankton and Vermillion 532 



35. Section showing the series of artesian wells from Harold eastward to Huron 532 



