2024 33 USC 1257a – State demonstration programs for cleanup of abandoned mines for use as waste disposal sites; authorization of appropriations

2023 33 USC 1257a – State demonstration programs for cleanup of abandoned mines for use as waste disposal sites; authorization of appropriations

2022 33 USC 1257a – State demonstration programs for cleanup of abandoned mines for use as waste disposal sites; authorization of appropriations

2021 33 USC 1257a – State demonstration programs for cleanup of abandoned mines for use as waste disposal sites; authorization of appropriations

2020 33 USC 1257a – State demonstration programs for cleanup of abandoned mines for use as waste disposal sites; authorization of appropriations

2018 33 USC 1257a – State demonstration programs for cleanup of abandoned mines for use as waste disposal sites; authorization of appropriations

2017 33 USC 1257a – State demonstration programs for cleanup of abandoned mines for use as waste disposal sites; authorization of appropriations

2015 33 USC 1257a – State demonstration programs for cleanup of abandoned mines for use as waste disposal sites; authorization of appropriations

2014 33 USC 1257a – State demonstration programs for cleanup of abandoned mines for use as waste disposal sites; authorization of appropriations

2013 33 USC 1257a – State demonstration programs for cleanup of abandoned mines for use as waste disposal sites; authorization of appropriations

2012 33 USC 1257a – State demonstration programs for cleanup of abandoned mines for use as waste disposal sites; authorization of appropriations

2010 33 USC 1257a – State demonstration programs for cleanup of abandoned mines for use as waste disposal sites; authorization of appropriations