2024 33 USC 1803 – Study with respect to inland waterway user taxes and charges

2023 33 USC 1803 – Study with respect to inland waterway user taxes and charges

2022 33 USC 1803 – Study with respect to inland waterway user taxes and charges

2021 33 USC 1803 – Study with respect to inland waterway user taxes and charges

2020 33 USC 1803 – Study with respect to inland waterway user taxes and charges

2018 33 USC 1803 – Study with respect to inland waterway user taxes and charges

2017 33 USC 1803 – Study with respect to inland waterway user taxes and charges

2015 33 USC 1803 – Study with respect to inland waterway user taxes and charges

2014 33 USC 1803 – Study with respect to inland waterway user taxes and charges

2013 33 USC 1803 – Study with respect to inland waterway user taxes and charges

2012 33 USC 1803 – Study with respect to inland waterway user taxes and charges

2010 33 USC 1803 – Study with respect to inland waterway user taxes and charges