( 114 ) 



The liill-slope from Meyel to Deurne is aboul 18 K.M. long' and 



lias a direction from N. N. W. to S. S. E. Al the east of this ridge 



are situated the three places al the station of Helenaveen, al the 



village of Helenaveen and at the north of the village of Belden) 



which I shall call 1, 2 and 3, from the north to the south. 



The position of the sand bed is as follows: 



I accept four sorts of grains : 

 Sort A: grains larger than 2 mm. 



Sort B: grains smaller than 2 mm. and larger than 1 mm. 

 Sort C: grains smaller than I mm. and larger than '/a mm. 

 Sort D: grains smaller than ' ., mm. 



The grains were separated by sieving and the quantity was weighed. 

 The results are found in the following tables: 



FIRST PLACE. 



Depth of the g Qr j 

 sample 

 in meters . 



+ A. P. A - 



Sort 

 B. 



Sort 

 C. 



Sort 

 D. 



