Document Format Files
| Seq | Description | Document | Type | Size |
|---|---|---|---|---|
| 1 | 10-K | btu-20221231.htm iXBRL | 10-K | 5383889 |
| 2 | EX-10.85 | btu_20221231xex1085.htm | EX-10.85 | 96318 |
| 3 | EX-10.86 | btu_20221231xex1086.htm | EX-10.86 | 1938715 |
| 4 | EX-21 | btu_20221231xex21.htm | EX-21 | 110858 |
| 5 | EX-23.1 | btu_20221231xex231.htm | EX-23.1 | 3695 |
| 6 | EX-23.2 | btu_20221231xex232.htm | EX-23.2 | 27047 |
| 7 | EX-23.3 | btu_20221231xex233.htm | EX-23.3 | 27049 |
| 8 | EX-23.4 | btu_20221231xex234.htm | EX-23.4 | 26998 |
| 9 | EX-23.5 | btu_20221231xex235.htm | EX-23.5 | 39518 |
| 10 | EX-31.1 | btu_20221231xex311.htm | EX-31.1 | 9930 |
| 11 | EX-31.2 | btu_20221231xex312.htm | EX-31.2 | 9966 |
| 12 | EX-32.1 | btu_20221231xex321.htm | EX-32.1 | 4974 |
| 13 | EX-32.2 | btu_20221231xex322.htm | EX-32.2 | 4951 |
| 14 | EX-95 | btu_20221231xex95.htm | EX-95 | 130432 |
| 20 | a2023-02x06_16x01x51.jpg | GRAPHIC | 5758 | |
| 21 | a2023-02x06_16x14x19.jpg | GRAPHIC | 3449 | |
| 22 | a2023-02x07_16x11x35.jpg | GRAPHIC | 2626 | |
| 23 | a2023-02x07_16x24x43.jpg | GRAPHIC | 11100 | |
| 24 | aleena.jpg | GRAPHIC | 7238 | |
| 25 | briancroppera.jpg | GRAPHIC | 2014 | |
| 26 | btu-20221231_g1.jpg | GRAPHIC | 195073 | |
| 27 | btu-20221231_g2.jpg | GRAPHIC | 1855688 | |
| 28 | btu-20221231_g3.jpg | GRAPHIC | 6559616 | |
| 29 | btu-20221231_g4.jpg | GRAPHIC | 2471002 | |
| 30 | btu-20221231_g5.jpg | GRAPHIC | 2977515 | |
| 31 | btu-20221231_g6.jpg | GRAPHIC | 2164972 | |
| 32 | btu-20221231_g7.jpg | GRAPHIC | 2112323 | |
| 33 | btu-20221231_g8.jpg | GRAPHIC | 47005 | |
| 34 | camerona.jpg | GRAPHIC | 23550 | |
| 35 | christopherwittenauer.jpg | GRAPHIC | 28955 | |
| 36 | christopherwittenauer1.jpg | GRAPHIC | 28955 | |
| 37 | danmartisa.jpg | GRAPHIC | 9189 | |
| 38 | image_1.jpg | GRAPHIC | 14628 | |
| 39 | image_13.jpg | GRAPHIC | 6153 | |
| 40 | image_14.jpg | GRAPHIC | 69642 | |
| 41 | image_15.jpg | GRAPHIC | 20828 | |
| 42 | image_16.jpg | GRAPHIC | 8175 | |
| 43 | image_18.jpg | GRAPHIC | 19411 | |
| 44 | image_2.jpg | GRAPHIC | 10910 | |
| 45 | image_3.jpg | GRAPHIC | 20149 | |
| 46 | lancebuxkempera.jpg | GRAPHIC | 27451 | |
| 47 | wallera.jpg | GRAPHIC | 23825 | |
| Complete submission text file | 0001064728-23-000013.txt | 68398071 |
Data Files
| Seq | Description | Document | Type | Size |
|---|---|---|---|---|
| 15 | XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT | btu-20221231.xsd | EX-101.SCH | 124266 |
| 16 | XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT | btu-20221231_cal.xml | EX-101.CAL | 152579 |
| 17 | XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT | btu-20221231_def.xml | EX-101.DEF | 809484 |
| 18 | XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT | btu-20221231_lab.xml | EX-101.LAB | 1392351 |
| 19 | XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT | btu-20221231_pre.xml | EX-101.PRE | 1097218 |
| 162 | EXTRACTED XBRL INSTANCE DOCUMENT | btu-20221231_htm.xml | XML | 4217904 |
IRS No.: 134004153 | State of Incorp.: DE | Fiscal Year End: 1231
Type: 10-K | Act: 34 | File No.: 001-16463 | Film No.: 23662276
SIC: 1221 Bituminous Coal & Lignite Surface Mining
