State Soil Investigation Activity Source: Soil Science Society of America. Adapted with permission. Many states have a designated state bird, flower, fish, tree, rock, and so on. Many states also have a state soil — one that has significance or is important to the state. The Soil Science Society of America has developed a collection of state soil booklets, designed and written by professional soil scientists from the region to share in-depth information on each state soil. [Read More]