2024 33 USC 650 – Mississippi River below Rock Island; levee and bank protection

2023 33 USC 650 – Mississippi River below Rock Island; levee and bank protection

2022 33 USC 650 – Mississippi River below Rock Island; levee and bank protection

2021 33 USC 650 – Mississippi River below Rock Island; levee and bank protection

2020 33 USC 650 – Mississippi River below Rock Island; levee and bank protection

2018 33 USC 650 – Mississippi River below Rock Island; levee and bank protection

2017 33 USC 650 – Mississippi River below Rock Island; levee and bank protection

2015 33 USC 650 – Mississippi River below Rock Island; levee and bank protection

2014 33 USC 650 – Mississippi River below Rock Island; levee and bank protection