206 



rOEESTS, WOODS. AND TREES 



V. Cheshire and Derbyshire 



Ten local authorities obtain their water supply from 

 gathering grounds with a total extent of 48,743 acres, of 

 which 10,522 acres are owned by six Corporations. The chief 

 authorities owning water catchment areas in Cheshire and 

 Derbyshire are Manchester, Ashton-under-Lyne, Stockport, 



-rOTAl. AREA A.OOO ACRES 



Fig. 38. — Longdendale, Derwent Valley, and neighbouring Catchment Areas. 



and Derwent Valley Water Board. Small plantations exist 

 on several of the areas, but no large scheme of afforesta- 

 tion has been proposed by any of the authorities. Dr. C. E. 

 Moss gives in his book. Vegetation of the Peak District 

 (1912), two maps, on which the position of the reservoirs, 

 the distribution of the vegetation, etc., of most of these 

 catchment areas are well shown. 



Longdendale catchment area, 19,300 acres, supplying 



