2024 30 USC 541 – Entry and location; filing of copy of notice of mining location; report and payment for lignite mined; mineral patents; reservation of minerals to United States

2023 30 USC 541 – Entry and location; filing of copy of notice of mining location; report and payment for lignite mined; mineral patents; reservation of minerals to United States

2022 30 USC 541 – Entry and location; filing of copy of notice of mining location; report and payment for lignite mined; mineral patents; reservation of minerals to United States

2021 30 USC 541 – Entry and location; filing of copy of notice of mining location; report and payment for lignite mined; mineral patents; reservation of minerals to United States

2020 30 USC 541 – Entry and location; filing of copy of notice of mining location; report and payment for lignite mined; mineral patents; reservation of minerals to United States

2018 30 USC 541 – Entry and location; filing of copy of notice of mining location; report and payment for lignite mined; mineral patents; reservation of minerals to United States

2017 30 USC 541 – Entry and location; filing of copy of notice of mining location; report and payment for lignite mined; mineral patents; reservation of minerals to United States

2015 30 USC 541 – Entry and location; filing of copy of notice of mining location; report and payment for lignite mined; mineral patents; reservation of minerals to United States

2014 30 USC 541 – Entry and location; filing of copy of notice of mining location; report and payment for lignite mined; mineral patents; reservation of minerals to United States

2013 30 USC 541 – Entry and location; filing of copy of notice of mining location; report and payment for lignite mined; mineral patents; reservation of minerals to United States

2012 30 USC 541 – Entry and location; filing of copy of notice of mining location; report and payment for lignite mined; mineral patents; reservation of minerals to United States

2010 30 USC 541 – Entry and location; filing of copy of notice of mining location; report and payment for lignite mined; mineral patents; reservation of minerals to United States