2024 16 USC 410nnn-1 – Palo Alto Battlefield National Historical Park

2023 16 USC 410nnn-1 – Palo Alto Battlefield National Historical Park

2022 16 USC 410nnn-1 – Palo Alto Battlefield National Historical Park

2021 16 USC 410nnn-1 – Palo Alto Battlefield National Historical Park

2020 16 USC 410nnn-1 – Palo Alto Battlefield National Historical Park

2018 16 USC 410nnn-1 – Palo Alto Battlefield National Historical Park

2017 16 USC 410nnn–1 – Palo Alto Battlefield National Historical Park

2015 16 USC 410nnn–1 – Palo Alto Battlefield National Historical Park

2014 16 USC 410nnn-1 – Palo Alto Battlefield National Historical Park