The Great Lakes: Part 2

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Across
  1. 2. An overload of this sped up Lake Erie's eutrophication
  2. 9. Mussels don't need this to swim upstream because of their binding excretion
  3. 10. Freshly hatched mussel
  4. 11. Dr. Seuss book mentioning the polluted Lake Erie
  5. 12. Major culprit in phosphorous overload
  6. 15. Explorer that found a continental divide sag
  7. 16. Method of catching silver carp in the "Redneck Fishing Tournament"
  8. 17. Carp species that lives off mollusks
  9. 18. Toxic algae bloom that threatens water supply
Down
  1. 1. Required process for boats found with mussels
  2. 3. What the Sanitary and Ship Canal did to the Chicago River
  3. 4. Water from this river supplies dry desert cities
  4. 5. Genetic marker designed to attach to DNA of targeted species
  5. 6. Barrier used to prevent carp from swimming into Lake Michigan
  6. 7. Book exposing water perils from herbicides and pesticides
  7. 8. Cache of these in the rich soil of the Great Black Swamp
  8. 13. Lake Powell made this mandatory for boats
  9. 14. Created by the Buckeye Traction Ditcher
  10. 17. Toledo residents instructed to not do this with water after microcystin contamination
  11. 18. Lake invaded by quaggas that likely traveled on Great Lakes boats