ileal oh ict 
relat: Wes , 
y tee | 
B. No BOUNDARY COMMISSION. 
on, that the trees may be seen along the shore bending forrest ‘at a ar) 
angle and falling into the lake. Some parts of the shore, have in this 
way become surrounded by an almost impassable belt of tangled : 
waterworn trunks énd branches. The water of the southern part o 
lake is turbid from the wash of the waves on the soft shores, and m 
brought down by Rainy River ; giving rise to a formation of deposi 
sand and clay now going on over the greater part of its bed. Befo 
the vihopee in its slow edn 3 northward, sib ig: narrow 4 
receive any from the rocky shores ny which Clear-Water Take is rou 
The deposit forming here, as shown by soundings, is a fine slimy ooze, a 
- which is composed in great part of the shells of Diatomacex with spicules — ae 
of Spongilla and organic matter. The lake is thus an interesting example — Ave? a 
of contemporaneous deposits of two entirely dissimilar kinds, taking 
place in different parts of the same sheet of water. | , ay a + 
466. The deepest soundings found in Clear-Water Lake, were rs, a : 
its extreme northern end, and near where the waters begin to collect — a Bo), 
themselves for their fall at Rat Portage, and show a considerable current — 
in that direction. The following depths were observed at intervals from 
that place southward to the North-west Angle Inlet, the soundings being 
taken generally in mid channel between the islands. The nee 
given in feet :— 
Rat Portage. 
The bottom of the lake is generally flat, and deep water lies close ie Fe 4 
shore. — | 
467. The outline of the lake follows very closely the shariphaghes 
character of the rock, spreading out where the schistose, and thinly cleav- 
able varieties predominate, and becoming narrow and tortuous when the 
shores are composed of compact dioritic rocks, greenstone conglo- — % 
merates, and gneiss. The laminated schist, and thin-bedded slates, offer - 
little resistance to weathering, and even since the glacial period have | a 
been much broken down and shattered, in many parts of the lake, giving a 
¥ 
a peculiar character to the shore. The same rock, however, would, in its ‘ Ae 

