250 



BATHYMETBICAL SURVEY OF 



THE RESERVOIRS OF THE FORTH BASIN. 



THE principal lochs draining into the Forth were sounded by Sir John 

 Murray and the late Mr. Fred. P. Pullar, and formed the subject of the 

 first two papers published in the Geographical Journal in April, 1900, and 

 March, 1901. The Lake Survey staff subsequently sounded most of the 

 reservoirs and small lochs around the Firth of Forth, to the number of 



to is 

 ). INDEX MAP OF THE FORTH BASIN. 



twenty, of which ten are situated to the south, and ten to the north of the 

 firth (see Index Map, Fig. 26). 



The basins are, for the most part, small and shallow ; only four exceed 

 a mile in length, and only four exceed 50 feet in depth, while, with one 

 exception, the superficial area is in each case much less than half a square 

 mile. The officials of the various waterworks facilitated the work by 

 providing boats, maps, etc., for the use of the staff, and in this connection 

 we desire to thank Mr. W. A. Tait, C.E., Engineer of the Edinburgh and 

 District Water Trust, for many facilities in connection with the Edinburgh 



