2024 16 USC 410z-1 – Acquisition of additional sites

2023 16 USC 410z-1 – Acquisition of additional sites

2022 16 USC 410z-1 – Acquisition of additional sites

2021 16 USC 410z-1 – Acquisition of additional sites

2020 16 USC 410z-1 – Acquisition of additional sites

2018 16 USC 410z-1 – Acquisition of additional sites

2017 16 USC 410z–1 – Acquisition of additional sites

2015 16 USC 410z–1 – Acquisition of additional sites

2014 16 USC 410z-1 – Acquisition of additional sites

2013 16 USC 410z-1 – Acquisition of additional sites

2012 16 USC 410z-1 – Acquisition of additional sites

2010 16 USC 410z-1 – Acquisition of additional sites