The Death And Life Of The Great Lakes
The Great Lakes?Erie, Huron, Michigan, Ontario and Superior?hold 20 percent of the world?s supply of surface fresh water and provide sustenance, work and recreation for tens of millions of Americans.
577.63
year: 2018
copies: 7
call number/section: 577.63
lexile:
subjects: lake ecology, introduced organisms, nonindigenous aquatic pests, water quality, great lakes (north america) [X], nonindigenous pests