2023 Indiana Code 25-31.5-1-4. “Public practice of soil science”

2022 Indiana Code 25-31.5-1-4. “Public practice of soil science”

2021 Indiana Code 25-31.5-1-4. “Public practice of soil science”

2020 Indiana Code 25-31.5-1-4. “Public practice of soil science”

2019 Indiana Code 25-31.5-1-4. “Public practice of soil science”

2018 Indiana Code 25-31.5-1-4. “Public practice of soil science”

2017 Indiana Code 25-31.5-1-4. “Public practice of soil science”

2016 Indiana Code 25-31.5-1-4. “Public practice of soil science”

2015 Indiana Code 25-31.5-1-4. “Public practice of soil science”

2014 Indiana Code 25-31.5-1-4. “Public practice of soil science”

2013 Indiana Code 25-31.5-1-4. “Public practice of soil science”

2009 Indiana Code 25-31.5-1-4. “Public practice of soil science”