Document Format Files
| Seq | Description | Document | Type | Size |
|---|---|---|---|---|
| 1 | 10-K | uslm-20211231x10k.htm iXBRL | 10-K | 1870842 |
| 2 | EX-4.1 | uslm-20211231xex4d1.htm | EX-4.1 | 15221 |
| 3 | EX-21.1 | uslm-20211231xex21d1.htm | EX-21.1 | 3117 |
| 4 | EX-23.1 | uslm-20211231xex23d1.htm | EX-23.1 | 2571 |
| 5 | EX-23.2 | uslm-20211231xex23d2.htm | EX-23.2 | 8669 |
| 6 | EX-31.1 | uslm-20211231xex31d1.htm | EX-31.1 | 12378 |
| 7 | EX-31.2 | uslm-20211231xex31d2.htm | EX-31.2 | 12322 |
| 8 | EX-32.1 | uslm-20211231xex32d1.htm | EX-32.1 | 6729 |
| 9 | EX-32.2 | uslm-20211231xex32d2.htm | EX-32.2 | 5614 |
| 10 | EX-95.1 | uslm-20211231xex95d1.htm | EX-95.1 | 94744 |
| 11 | EX-96.1 | uslm-20211231xex96d1.htm | EX-96.1 | 1426998 |
| 12 | EX-96.2 | uslm-20211231xex96d2.htm | EX-96.2 | 885567 |
| 13 | EX-96.3 | uslm-20211231xex96d3.htm | EX-96.3 | 1348598 |
| 14 | EX-96.4 | uslm-20211231xex96d4.htm | EX-96.4 | 1276028 |
| 15 | GRAPHIC | uslm-20211231xex96d1002.jpg | GRAPHIC | 149342 |
| 16 | GRAPHIC | uslm-20211231xex96d1006.jpg | GRAPHIC | 69654 |
| 17 | GRAPHIC | uslm-20211231xex96d1015.jpg | GRAPHIC | 35204 |
| 18 | GRAPHIC | uslm-20211231xex96d1017.jpg | GRAPHIC | 32138 |
| 19 | GRAPHIC | uslm-20211231xex96d1013.jpg | GRAPHIC | 31288 |
| 20 | GRAPHIC | uslm-20211231xex96d1004.jpg | GRAPHIC | 33227 |
| 21 | GRAPHIC | uslm-20211231xex96d1016.jpg | GRAPHIC | 31177 |
| 22 | GRAPHIC | uslm-20211231xex96d1019.jpg | GRAPHIC | 241565 |
| 23 | GRAPHIC | uslm-20211231xex96d1014.jpg | GRAPHIC | 34371 |
| 24 | GRAPHIC | uslm-20211231xex96d1008.jpg | GRAPHIC | 68769 |
| 25 | GRAPHIC | uslm-20211231xex96d1011.jpg | GRAPHIC | 73721 |
| 26 | GRAPHIC | uslm-20211231xex96d1003.jpg | GRAPHIC | 78649 |
| 27 | GRAPHIC | uslm-20211231xex96d1007.jpg | GRAPHIC | 142188 |
| 28 | GRAPHIC | uslm-20211231xex96d1009.jpg | GRAPHIC | 55982 |
| 29 | GRAPHIC | uslm-20211231xex96d1012.jpg | GRAPHIC | 117420 |
| 30 | GRAPHIC | uslm-20211231xex96d1010.jpg | GRAPHIC | 55574 |
| 31 | GRAPHIC | uslm-20211231xex96d1001.jpg | GRAPHIC | 13433 |
| 32 | GRAPHIC | uslm-20211231xex96d1005.jpg | GRAPHIC | 29137 |
| 33 | GRAPHIC | uslm-20211231xex96d1018.jpg | GRAPHIC | 25446 |
| 34 | GRAPHIC | uslm-20211231xex96d2014.jpg | GRAPHIC | 15192 |
| 35 | GRAPHIC | uslm-20211231xex96d2005.jpg | GRAPHIC | 61699 |
| 36 | GRAPHIC | uslm-20211231xex96d2010.jpg | GRAPHIC | 57834 |
| 37 | GRAPHIC | uslm-20211231xex96d2015.jpg | GRAPHIC | 16467 |
| 38 | GRAPHIC | uslm-20211231xex96d2016.jpg | GRAPHIC | 384745 |
| 39 | GRAPHIC | uslm-20211231xex96d2008.jpg | GRAPHIC | 43438 |
| 40 | GRAPHIC | uslm-20211231xex96d2013.jpg | GRAPHIC | 17571 |
| 41 | GRAPHIC | uslm-20211231xex96d2007.jpg | GRAPHIC | 53845 |
| 42 | GRAPHIC | uslm-20211231xex96d2012.jpg | GRAPHIC | 28541 |
| 43 | GRAPHIC | uslm-20211231xex96d2006.jpg | GRAPHIC | 44174 |
| 44 | GRAPHIC | uslm-20211231xex96d2011.jpg | GRAPHIC | 46939 |
| 45 | GRAPHIC | uslm-20211231xex96d2004.jpg | GRAPHIC | 49048 |
| 46 | GRAPHIC | uslm-20211231xex96d2009.jpg | GRAPHIC | 68996 |
| 47 | GRAPHIC | uslm-20211231xex96d2003.jpg | GRAPHIC | 55735 |
| 48 | GRAPHIC | uslm-20211231xex96d2002.jpg | GRAPHIC | 24085 |
| 49 | GRAPHIC | uslm-20211231xex96d2001.jpg | GRAPHIC | 6333 |
| 50 | GRAPHIC | uslm-20211231xex96d3005.jpg | GRAPHIC | 120192 |
| 51 | GRAPHIC | uslm-20211231xex96d3016.jpg | GRAPHIC | 14898 |
| 52 | GRAPHIC | uslm-20211231xex96d3002.jpg | GRAPHIC | 46945 |
| 53 | GRAPHIC | uslm-20211231xex96d3010.jpg | GRAPHIC | 105284 |
| 54 | GRAPHIC | uslm-20211231xex96d3014.jpg | GRAPHIC | 18539 |
| 55 | GRAPHIC | uslm-20211231xex96d3013.jpg | GRAPHIC | 17585 |
| 56 | GRAPHIC | uslm-20211231xex96d3003.jpg | GRAPHIC | 62637 |
| 57 | GRAPHIC | uslm-20211231xex96d3006.jpg | GRAPHIC | 112986 |
| 58 | GRAPHIC | uslm-20211231xex96d3004.jpg | GRAPHIC | 51046 |
| 59 | GRAPHIC | uslm-20211231xex96d3011.jpg | GRAPHIC | 44110 |
| 60 | GRAPHIC | uslm-20211231xex96d3009.jpg | GRAPHIC | 114001 |
| 61 | GRAPHIC | uslm-20211231xex96d3015.jpg | GRAPHIC | 18694 |
| 62 | GRAPHIC | uslm-20211231xex96d3017.jpg | GRAPHIC | 179582 |
| 63 | GRAPHIC | uslm-20211231xex96d3007.jpg | GRAPHIC | 69839 |
| 64 | GRAPHIC | uslm-20211231xex96d3001.jpg | GRAPHIC | 6333 |
| 65 | GRAPHIC | uslm-20211231xex96d3008.jpg | GRAPHIC | 29329 |
| 66 | GRAPHIC | uslm-20211231xex96d3012.jpg | GRAPHIC | 14397 |
| 67 | GRAPHIC | uslm-20211231xex96d4005.jpg | GRAPHIC | 97426 |
| 68 | GRAPHIC | uslm-20211231xex96d4001.jpg | GRAPHIC | 13433 |
| 69 | GRAPHIC | uslm-20211231xex96d4003.jpg | GRAPHIC | 154005 |
| 70 | GRAPHIC | uslm-20211231xex96d4014.jpg | GRAPHIC | 168285 |
| 71 | GRAPHIC | uslm-20211231xex96d4008.jpg | GRAPHIC | 57998 |
| 72 | GRAPHIC | uslm-20211231xex96d4009.jpg | GRAPHIC | 28115 |
| 73 | GRAPHIC | uslm-20211231xex96d4007.jpg | GRAPHIC | 31762 |
| 74 | GRAPHIC | uslm-20211231xex96d4002.jpg | GRAPHIC | 119077 |
| 75 | GRAPHIC | uslm-20211231xex96d4011.jpg | GRAPHIC | 36663 |
| 76 | GRAPHIC | uslm-20211231xex96d4010.jpg | GRAPHIC | 67341 |
| 77 | GRAPHIC | uslm-20211231xex96d4004.jpg | GRAPHIC | 77320 |
| 78 | GRAPHIC | uslm-20211231xex96d4012.jpg | GRAPHIC | 31547 |
| 79 | GRAPHIC | uslm-20211231xex96d4006.jpg | GRAPHIC | 59001 |
| 80 | GRAPHIC | uslm-20211231xex96d4013.jpg | GRAPHIC | 24947 |
| 81 | GRAPHIC | uslm-20211231x10k001.jpg | GRAPHIC | 27573 |
| 82 | GRAPHIC | uslm-20211231x10k002.jpg | GRAPHIC | 26205 |
| Complete submission text file | 0001558370-22-003310.txt | 18782921 |
Data Files
| Seq | Description | Document | Type | Size |
|---|---|---|---|---|
| 83 | EX-101.SCH | uslm-20211231.xsd | EX-101.SCH | 34887 |
| 84 | EX-101.CAL | uslm-20211231_cal.xml | EX-101.CAL | 67377 |
| 85 | EX-101.DEF | uslm-20211231_def.xml | EX-101.DEF | 173945 |
| 86 | EX-101.LAB | uslm-20211231_lab.xml | EX-101.LAB | 471384 |
| 87 | EX-101.PRE | uslm-20211231_pre.xml | EX-101.PRE | 307385 |
| 127 | EXTRACTED XBRL INSTANCE DOCUMENT | uslm-20211231x10k_htm.xml | XML | 1317316 |
EIN.: 750789226 | State of Incorp.: TX | Fiscal Year End: 1231
Type: 10-K | Act: 34 | File No.: 000-04197 | Film No.: 22730176
SIC: 1400 Mining & Quarrying of Nonmetallic Minerals (No Fuels)