2024 16 USC 422d – Monuments, etc., protected

2023 16 USC 422d – Monuments, etc., protected

2022 16 USC 422d – Monuments, etc., protected

2021 16 USC 422d – Monuments, etc., protected

2020 16 USC 422d – Monuments, etc., protected

2018 16 USC 422d – Monuments, etc., protected

2017 16 USC 422d – Monuments, etc., protected

2015 16 USC 422d – Monuments, etc., protected

2014 16 USC 422d – Monuments, etc., protected

2013 16 USC 422d – Monuments, etc., protected

2012 16 USC 422d – Monuments, etc., protected

2010 16 USC 422d – Monuments, etc., protected