a great deal of economic damagehave causeda great deal of economic damage
$ 500 million in damage annuallycaused$ 500 million in damage annually
irreversible damage to the Great Lake ecosystemhave causedirreversible damage to the Great Lake ecosystem
damage to boats and block up water treatment plant intakescausedamage to boats and block up water treatment plant intakes
roughly $ 3-billion in damage each year to boats , beaches , water - intake pipes and fisheriescauseroughly $ 3-billion in damage each year to boats , beaches , water - intake pipes and fisheries
severe problems at power plants and municipal water supplieshave causedsevere problems at power plants and municipal water supplies
millions of dollars in clean - up costshave createdmillions of dollars in clean - up costs
in Lake St. Clair on June 1 , 1988discoveredin Lake St. Clair on June 1 , 1988
in the transport from great lakes to nearby lakes and streamsresultedin the transport from great lakes to nearby lakes and streams
in Lake St .... Army Corps of Engineers office in Detroitdiscoveredin Lake St .... Army Corps of Engineers office in Detroit
a severe reduction in the primary food source for whitefish - a tiny crustacean known as diporeiahave causeda severe reduction in the primary food source for whitefish - a tiny crustacean known as diporeia