2024 31 USC 6905 – Redwood National Park and the Lake Tahoe Basin

2023 31 USC 6905 – Redwood National Park and the Lake Tahoe Basin

2022 31 USC 6905 – Redwood National Park and the Lake Tahoe Basin

2021 31 USC 6905 – Redwood National Park and the Lake Tahoe Basin

2020 31 USC 6905 – Redwood National Park and the Lake Tahoe Basin

2018 31 USC 6905 – Redwood National Park and the Lake Tahoe Basin

2017 31 USC 6905 – Redwood National Park and the Lake Tahoe Basin

2015 31 USC 6905 – Redwood National Park and the Lake Tahoe Basin

2014 31 USC 6905 – Redwood National Park and the Lake Tahoe Basin

2013 31 USC 6905 – Redwood National Park and the Lake Tahoe Basin

2012 31 USC 6905 – Redwood National Park and the Lake Tahoe Basin

2010 31 USC 6905 – Redwood National Park and the Lake Tahoe Basin