Fig. 8. Closed sphagnum-shrub association in foreground; advanced 
stage of black spruce-tamarack bog forest in backg ground. The abrupt 
line of demarkation may be due to a burn. Looking moneneaee from about 
the center of the east section of Grasse River Bog. 
Fig. 9. Deer trail across the closed shrub stage. The mound effect is 
shown. The surface of the bog is a deep spongy cover over which walking 
is extremely fatiguing. Northern third of east section of bog looking 
toward Hardwood Island. 
