THE GRAND CANYON BECAME THE GRAND CANYON BECAME A NATIONAL PARK IN 1919 IN A NATIONAL PARK IN 1919 IN ORDER TO GIVE IT THE BEST ORDER TO GIVE IT THE BEST

PROTECTION WE (AS A PROTECTION WE (AS A NATION) HAVE TO OFFER.NATION) HAVE TO OFFER.

SINCE SCIENTISTS BELIEVE THAT SINCE SCIENTISTS BELIEVE THAT EARTH USED TO BE COVERED EARTH USED TO BE COVERED

IN WATER, THEY ALSO BELIEVE IN WATER, THEY ALSO BELIEVE THAT THE GRAND CANYON THAT THE GRAND CANYON WAS FORMED BY EROSION, WAS FORMED BY EROSION,

ONCE THE WATER WAS GONE.ONCE THE WATER WAS GONE.

THE GRAND CANYON CONTAINS ROCKS THE GRAND CANYON CONTAINS ROCKS SUCH AS KAIBAB LIMESTONE, SUCH AS KAIBAB LIMESTONE,

TOROWEAP FORMATION, COCONINO TOROWEAP FORMATION, COCONINO SANDSTONE, HERMIT SHALE, SUPAI SANDSTONE, HERMIT SHALE, SUPAI FORMATION, REDWALL LIMESTONE, FORMATION, REDWALL LIMESTONE, MUAV LIMESTONE, BRIGHT ANGEL MUAV LIMESTONE, BRIGHT ANGEL SHALE AND TAPEATS SANDSTONE.SHALE AND TAPEATS SANDSTONE.

THE GRAND CANYON HAS THE THE GRAND CANYON HAS THE COLORADO RIVER RUNNING COLORADO RIVER RUNNING

THROUGH IT. LOTS OF PEOPLE THROUGH IT. LOTS OF PEOPLE WHITE-WATER RAFT IN THIS RIVER! WHITE-WATER RAFT IN THIS RIVER! LOTS OF FOSSILIZED ROCKS HAVE LOTS OF FOSSILIZED ROCKS HAVE BEEN FOUND INSIDE THE ROCK IN BEEN FOUND INSIDE THE ROCK IN

THE GRAND CANYON.THE GRAND CANYON.

VOLCANIC ERUPTIONS CREATE VOLCANIC ERUPTIONS CREATE MORE SURFACES OF THE MORE SURFACES OF THE

GRAND CANYON, AND GRAND CANYON, AND COLORADO RIVER EROSIONS COLORADO RIVER EROSIONS MAKE THE CANYON DEEPER MAKE THE CANYON DEEPER

AND WEAR DOWN ITS WALLS.AND WEAR DOWN ITS WALLS.

MINING COMPANIES CAN MINING COMPANIES CAN ACCIDENTALLY SET OFF ACCIDENTALLY SET OFF

CHEMICALS THAT SEEP INTO THE CHEMICALS THAT SEEP INTO THE COLORADO RIVER AND WASH UP COLORADO RIVER AND WASH UP ON THE ROCKS, WITHERING THEM ON THE ROCKS, WITHERING THEM

AWAY AND POLLUTING THE AWAY AND POLLUTING THE RIVER, KILLING WILDLIFE.RIVER, KILLING WILDLIFE.

THE HOOVER DAM CREATED THE HOOVER DAM CREATED THE COLORADO RIVER THE COLORADO RIVER

THAT RUNS THROUGH THE THAT RUNS THROUGH THE GRAND CANYON.GRAND CANYON.

WikiAnswers - The Q&A Wiki. Web. 20 May 2010. <http://www.wiki.answers.com>.

Yahoo! Answers - Home. Web. Spring 2010. <http://answers.yahoo.com>.

"Grand Canyon." Wikipedia. Web. Spring 2010. <http://www.wikipedia.org>.

National Parks - Welcome to the U.S. National Park Net. Web. Spring 2010. <http://www.us-national-parks.net>.

Rainforest - Mongabay.com. Web. Spring 2010. <http://mongabay.com>.