Check these out. Looks like the INA left out a few players that had very solid seasons.
http://sportsspotlight.com/high-school.cfm/Article/High-School/2013-Iowa-Sports-Spotlight-Iowa-High-School-All_State-Baseball-Teams/2013-8-5/0
http://sportsspotlight.com/high-school.cfm/Article/High-School/2013-Iowa-Sports-Spotlight-Iowa-High-School-All_State-Baseball-Teams/2013-8-5/0