Document Format Files
Data Files
| Seq | Description | Document | Type | Size |
|---|---|---|---|---|
| 16 | XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT | amr-20251231.xsd | EX-101.SCH | 102122 |
| 17 | XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT | amr-20251231_cal.xml | EX-101.CAL | 168410 |
| 18 | XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT | amr-20251231_def.xml | EX-101.DEF | 436497 |
| 19 | XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT | amr-20251231_lab.xml | EX-101.LAB | 1162757 |
| 20 | XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT | amr-20251231_pre.xml | EX-101.PRE | 833087 |
| 502 | EXTRACTED XBRL INSTANCE DOCUMENT | amr-20251231_htm.xml | XML | 2450853 |
EIN.: 000000000 | State of Incorp.: DE | Fiscal Year End: 1231
Type: 10-K | Act: 34 | File No.: 001-38735 | Film No.: 26692639
SIC: 1221 Bituminous Coal & Lignite Surface Mining
(CF Office: 01 Energy & Transportation)