2024 7 USC 388 – Station for southern Great Plains area; establishment

2023 7 USC 388 – Station for southern Great Plains area; establishment

2022 7 USC 388 – Station for southern Great Plains area; establishment

2021 7 USC 388 – Station for southern Great Plains area; establishment

2020 7 USC 388 – Station for southern Great Plains area; establishment

2018 7 USC 388 – Station for southern Great Plains area; establishment

2017 7 USC 388 – Station for southern Great Plains area; establishment

2015 7 USC 388 – Station for southern Great Plains area; establishment

2014 7 USC 388 – Station for southern Great Plains area; establishment

2013 7 USC 388 – Station for southern Great Plains area; establishment

2012 7 USC 388 – Station for southern Great Plains area; establishment

2010 7 USC 388 – Station for southern Great Plains area; establishment