Bibliography
http://www.ucmp.berkeley.edu/exhibits/biomes/grasslands.php
http://ichef.bbci.co.uk/naturelibrary/images/ic/credit/640x395/t/te/temperate_grasslands_savannas_and_shrublands/temperate_grasslands_savannas_and_shrublands_1.jpg
http://farm3.staticflickr.com/2728/4086255560_78aa22a713_z.jpg
http://www.marietta.edu/~biol/biomes/images/grassland/grasst.jpg
http://stockpodium.assetsdelivery.com/compings/oma/oma0609/oma060900011.jpg\
http://www.wakeforestnc.gov/Data/Sites/1/media/departments/engineering/soil.jpg
http://ichef.bbci.co.uk/naturelibrary/images/ic/credit/640x395/t/te/temperate_grasslands_savannas_and_shrublands/temperate_grasslands_savannas_and_shrublands_1.jpg
http://farm3.staticflickr.com/2728/4086255560_78aa22a713_z.jpg
http://www.marietta.edu/~biol/biomes/images/grassland/grasst.jpg
http://stockpodium.assetsdelivery.com/compings/oma/oma0609/oma060900011.jpg\
http://www.wakeforestnc.gov/Data/Sites/1/media/departments/engineering/soil.jpg