How did the Guadalupe river become polluted?

Is kings island open at midnight? What animals live near palm trees? Through which countries does the Suez Canal pass? What hemisphere is the Arctic Ocean in? Is Mount Rushmore in Utah? Why is the sea important to the world? Why might a biographer or Borglum have difficulty describing what his subject was doing before 1901? What would happen if the monument fell over What would happen if the British monument fell over? How long is the Redondo Beach boardwalk in Des Moines Washington? How many people did grace darling save? What is the most powerful force to have impact on the formation of the Grand Canyon? What is an arch-father? What is the drainage pattern of Yukon river? What is special about the Appalachian Mountain Range? What is an example of a suspension bridge? Which river in India crosses the cancer line twice? Where were most immigrants from when they came to angel island? What great wall was built in 1982? Importance of the river? Is it possible to get a shiny HoHo on colosseum?