DISTRICT ADVISORY FOREST OFFICERS. 43 



4. A Stock Map (Ordnance Survey on scale of 6 inches to the 

 mile, preferably with contour lines in counties for which such 

 maps are obtainable), showing the exact situation of each wood, 

 plantation, coppice, or piece of plantable land, numbered so as 

 to correspond with the blocks enumerated serially in the 

 Register under each of the classes A, B, C and D, and coloured 

 distinctively to show at a glance to which of these four classes 

 any area belongs, and (in the case of wooded areas) the parti- 

 cular age-class in which each numbered block or part of a block 

 is properly classifiable. 



To ensure uniformity it may be convenient to use the 

 following colours : — 



For Class k^ pale can/iifie. 



„ B, (i) burut sieima (in 4 shades). 



„ C, (2) green (in 4 shades). 



„ D, pale Indian ink. 



In each class of woodland the age-class to which each block or 

 part of a block properly belongs should be shown by the depth 

 of the tint of the colour distinguishing that class, the youngest 

 woods or plantations being colour-washed with the lightest 

 tint, and the oldest being coloured with the deepest tint.' 



As regards this colour-scheme it may be noted that, in 

 Class B, if woods of the oldest age-class are being naturally 

 regenerated, this can be shown by colouring such areas with the 

 palest tint (indicating the youngest age-class) and cross-hatching 

 broadly with the darkest tint (indicating the age of the parent 

 standard trees). And in the case of conifer woods, Class C, 

 intended to be worked with an 80-year rotation, the age-classes 

 would most conveniently be " under 20 years," "21 to 40 years," 

 "41 to 60 years," and "over 60 years"; while if intended only 

 for growing pitvvood to be cut at about 40 years of age, the 

 most convenient classification would be "under 10 years," 

 "11 to 20 years," "21 to 30 years," and "over 30 years." 



5. Information about the configuration of the ground ; 

 elevation ; aspect ; degree of exposure tq^ wind ; gradient of 

 the hillside and the land intended to be planted. Information 

 will also be useful as to the total acreage of the woodlands and 

 of the land for planting {a) under 500 feet elevation, {b) between 

 500 and 1000 feet, and (c) over 1000 feet. 



1 A colour plate is appended to the Memorandum. — Hon. Ed. 



