[CBSOILS_Lite : Crow Butte soil type polygon overlay]
{poly CLASS Class KeB}
www.statlab.iastate.edu/soils/osd/dat/K/KEITH.html
{poly CLASS Class JmD}
www.statlab.iastate.edu/soils/osd/dat/J/JAYEM.html
{poly CLASS Class Bd}
www.statlab.iastate.edu/soils/osd/dat/B/BANKARD.html

[CLS_MAXLIKE : Class raster from 6_06, 7_30, & 10_10 (Green, Red, NIR6)]
{3}
www.microimages.com
www.wheatworld.org
www.oznet.ksu.edu/wheatpage/
{7}
{5}
www.agpub.on.ca/text/july16/crop_1.htm
{7}
www.corn.org
{5}
www.ag.uiuc.edu/~food-lab/soy/soy.html