LIFE ZONES 
study is urged to visit the sand plains of the Humber 
River, the flood plains and ravines of the Humber 
and Don, the marshes near the mouth of the Humber 
and those along Ashbridge’s Bay, the beach at Toronto 
Island, Scarborough Bluffs, the clay regions north 
and east of the Iroquois beach line, and the peat bogs 
at Bond Lake. 
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