NOTES OF AETESIAN AND COMMON WELLS. 581 



Township 7, range 17. — Williamson, Digiium & Co., farmliouse iu section 3: Well, 

 dug 30 feet and bored 32 feet more; seen while the boring was iu progress at depth 

 of 62 feet; all till, mostly yellowish, to that depth. This is half a mile north of the 

 northern base of the Tiger Hills, at an elevation of about 1,350 feet above the sea. 



Langs Valley. — Langvale post-office, at James Lang's house, section 2, township 

 6, range IS: Well, 18 feet deep; all gravel and sand, with quicksand at the bottom. 

 This is on the bed of the channel of outflow to the Pembina from the glacial lake iu 

 the Souris basin. 



Plum Greek. — Wells in this village, at the junction of Plum Creek with the Souris, 

 are 10 to 30 feet deep, iu till, not reaching bed-rock ; but outcrops of the Fort Pierre 

 shale occur ou the Souris, near by. 



Gretna. — Commou wells, 10 to 20 feet deep, iu alluvial and lacustrine clay, obtain- 

 ing a scanty supply of water. A boring is said to have been made here for the railway 

 tank, to a depth of 150 feet, without finding a supply of water, and it is now pumped 

 from the Pembina River. 



Eheinland. — Wells 15 to 20 feet deep, in somewhat sandy lacustrine clay ; excellent 

 water. 



Township 2, range 5. — John Johnston, section 3: Well, 22 feet; soil, 2 fest; yel- 

 lowish till, containing bowlders up to 5 feet in diameter, 20 feet ; to gravel with water 

 which rises from it 2 or 3 feet. This is between the Campbell and Tintah beaches, 

 on the low terrace at the foot of the Pembina Mountain escarpment. Other wells 

 near show that this terrace consists of the Fort Pierre shale, thinly covered with 

 glacial drift. 



Morden and Nelson. — The deep boriug recently made ixnsuccessfully for artesian 

 water at Morden has been described on page 81. 



Common wells in Morden and Nelson are 10 to 25 feet deep, in alluvial silt aud 

 underlying till; water frequently alkaline. 



