2024 30 USC 4b – Cooperation with individuals, municipalities, etc.; contracts with owners; agreements as to prices
2023 30 USC 4b – Cooperation with individuals, municipalities, etc.; contracts with owners; agreements as to prices
2022 30 USC 4b – Cooperation with individuals, municipalities, etc.; contracts with owners; agreements as to prices
2021 30 USC 4b – Cooperation with individuals, municipalities, etc.; contracts with owners; agreements as to prices
2020 30 USC 4b – Cooperation with individuals, municipalities, etc.; contracts with owners; agreements as to prices
2018 30 USC 4b – Cooperation with individuals, municipalities, etc.; contracts with owners; agreements as to prices
2017 30 USC 4b – Cooperation with individuals, municipalities, etc.; contracts with owners; agreements as to prices
2015 30 USC 4b – Cooperation with individuals, municipalities, etc.; contracts with owners; agreements as to prices
2014 30 USC 4b – Cooperation with individuals, municipalities, etc.; contracts with owners; agreements as to prices
2013 30 USC 4b – Cooperation with individuals, municipalities, etc.; contracts with owners; agreements as to prices
2012 30 USC 4b – Cooperation with individuals, municipalities, etc.; contracts with owners; agreements as to prices
2010 30 USC 4b – Cooperation with individuals, municipalities, etc.; contracts with owners; agreements as to prices