144 



AUSTRALIAN AGUICULTORE. 



of clay a " puddle wall." Stone, concrete, and timber 



are all in use for the same purpose. 



Wells. In the sedimentary and other geological 



formations which hold 

 water so that it can 

 be got by sinking 

 or boring wells, heavy 

 supplies are got. Then 

 boring augers, diamond 

 drills, and other con- 

 trivances are used for 

 reaching the water- 

 water BjrinK Gear. bearing strata or vein. 



Tubes of metal are in places set in as lining to 



the wells, and pumping is employed, unless the flow 



reaches the surface, as the case is in the western districts, 



in Gippsland and other parts. The cost varies from 15s. 



per foot to 3. 



Tube and Pumping Wells. 



Tube wells have been driven with 



success in various parts, where the 



formation is suitable, and are found 



to answer admirably where a 



limited supply of water is sufficient. 



When sunk and in contact with a 



water giving stratum or spring, 



pumping has to be resorted to. The 



pointed tube goes with comparative 



ease through sand, loam, gravel or 



clay ; but when rock is met the 



tube may be withdrawn it will 



bend if forced too much. A likely 



place for water being selected, the 



tubes lengths of ordinaiy iron- 



piping are arranged for driving. 



Into one of the lengths is screwed 



a piece of solid iron, pointed, 



about eight inches long, and the 



shoulder next the pipe is made of a 



greater diameter than the pipe. 



Tube or Driven Well. 



