Versions of See prior versions of a law on LawServer 2024 Missouri Laws 249.290 – Board may construct and maintain system — not limited to plan on estimates .. 2023 Missouri Laws 249.290 – Board may construct and maintain system — not limited to plan on estimates .. 2022 Missouri Laws 249.290 – Board may construct and maintain system — not limited to plan on estimates … 2020 Missouri Laws 249.290 – Board may construct and maintain system — not limited to plan on estimates … 2018 Missouri Laws 249.290 – Board may construct and maintain system — not limited to plan on estimates … 2016 Missouri Laws 249.290 – Board may construct and maintain system–not limited to plan on estimates of engineer 2015 Missouri Laws 249.290 – Board may construct and maintain system–not limited to plan on estimates of engineer 2014 Missouri Laws 249.290 – Board may construct and maintain system–not limited to plan on estimates of engineer 2013 Missouri Laws 249.290 – Board may construct and maintain system–not limited to plan on estimates of engineer 2009 Missouri Laws 249.290 – Board may construct and maintain system–not limited to plan on estimates of engineer