28 VREDENBURG : RECENT ARTESIAN EXPERIMENTS IN INDIA, 



20 feet gravel, underlaid by quicksand. 

 Discharge 20,000 gallons per hour ; hydrostatic head 50 ieet. 



2. Well in Political Agent's compound. 



US feet loess. 

 8J feet shingle with a little artesian water. 



2 feet loess. 



Gravel, an abundant discharge of water. 



3. Well in Loco. Superintendent's compound — 



92J feet loess. 

 3} feet gravel with artesian water. 



4. Well in Executive Engineer's (Railway) compound — 



gof feet loess. 

 10 feet gravel, from which water just flowed at surface. 

 10 feet loess. 

 20 feet coarse sand and gravel, with an abundant discharge ol water. 



5. Well at Gymkhana — 



77 feet loess. 



10 feet "hard sandy stuff ". 

 S feet "indurated sandy lumps". 

 35 feet "clay with nodules". 



3 feet quicksand. 

 12 feet hard clay. 



Quicksand with water. 

 6 Artesian well at Bostan, as determined from specimens preserved — 



10—20 feet pale yellow unctuous clay containing fine grains of silica and 



effervescing freely with acids. Loess. 

 20 — 30 feet the same, but not so fine grained. 

 30 — 40 feet finer than 10 — 20 feet. 

 40—60 feet very like 20—30 feet. 



60 — 80 feet the same with some pieces of calcareous rock (kankar). 

 80—90 feet same as 10—60 feet. 



100 feet irregular small pebbles of pale grey limestone. 

 180 feet still in gravel, discharge of water 2,500 gallons per hour. 

 230 feet or thereabouts, entered as Siwalik clays. 



{2) The Gangetic alluvium. 

 Alternating strata of varying coarseness deposited at a gently 



sloping angle, and becoming generally finer- 

 Structure of the strata. . , ,, ,. , „ ., . .., . 



grained as the distance from the hills increases, 



( 28 ) 



