212 
BATHYMETRICAL SURVEY OF 
the same level during the nine days spent in surveying it. The average 
height of the water for the whole of the year is about IJ feet above the 
level on July 16, 1902 ; the water has been known to rise 9 feet higher 
and to fall 1 foot lower than the level on this date. 
FIG. 37. INDEX MAP OF THE EWE BASIN. 
Before dealing with the statistics of Loch Maree, it is necessary to 
state that there has been included in the loch a large portion of the 
piece of water styled ^ ^ Biver Ewe ; ’ ’ soundings were taken in the 
so-called river, and depths of over 30 feet were obtained in places down 
to beyond the commencement of the Pool Crofts. Just above the partly 
