130 
BATHYMETRICAL SURVEY OF 
Mill Loch (see Plate XL VII.) — Mill Loch lies immediately to the 
north of Lochmaben, amid cultivated fields. A small burn enters at the 
north-western angle, coming from the little Upper Loch (which was not 
XSkeen 
Beattaa 
Thornnill 
Lockerbiej 
{CastleL. 
►umfne^ 
Ma\weflt0wn 
^Annan i 
Bartholomew Edtn^ 
^ ^English Miles 
0 12 3 4 5 ip 15 
FIG. 14. — INDEX MAP OF THE ANNAN BASIN. 
surveyed), while the outflow is by a built channel under the road into 
Brumel Loch (now drained), and thence into Castle Loch. Mill Loch is 
somewhat rectangular in outline, trending from north-west to south-east, 
