556 



PROTECTION AGAINST HEAVY RAIN. 



extraction of stumps, pasturing cattle, trenching the soil, 

 removal of litter, etc. 



(d) In order to protect forest roads from the effects of 

 violent rainfall, ditches and culverts should be constantly 

 kept free from weeds, silt and dead leaves. Where the road 



Fig. 255. Hailstones (natural size) that fell at Seaford on May 30th, 1897. 

 From a photo by Wynttr, Seaford. 



passes through a sandy cutting, the banks on either side 

 may be terraced and fixed by wattle-work fencing, stakes of 

 living willows being used, and sand-fixing species planted 

 between the fences. 



