Document Format Files
| Seq | Description | Document | Type | Size |
|---|---|---|---|---|
| 1 | 10-K | clf-20211231.htm iXBRL | 10-K | 5180329 |
| 2 | EX-4.11 | clf-2021123110xkex411.htm | EX-4.11 | 24232 |
| 3 | EX-4.17 | clf-2021123110xkex417.htm | EX-4.17 | 23950 |
| 4 | EX-4.22 | clf-2021123110xkex422.htm | EX-4.22 | 24247 |
| 5 | EX-4.28 | clf-2021123110xkex428.htm | EX-4.28 | 25203 |
| 6 | EX-4.30 | clf-2021123110xkex430.htm | EX-4.30 | 24582 |
| 7 | EX-4.32 | clf-2021123110xkex432.htm | EX-4.32 | 10845 |
| 8 | EX-10.3 | clf-2021123110xkex103.htm | EX-10.3 | 115304 |
| 9 | EX-10.40 | clf-2021123110xkex1040.htm | EX-10.40 | 64201 |
| 10 | EX-21 | clf-2021123110xkex21.htm | EX-21 | 32809 |
| 11 | EX-22 | clf-2021123110xkex22.htm | EX-22 | 51644 |
| 12 | EX-23.1 | clf-2021123110xkex231.htm | EX-23.1 | 5830 |
| 13 | EX-23.6 | clf-2021123110xkex236.htm | EX-23.6 | 9955 |
| 14 | EX-24 | clf-2021123110xkex24.htm | EX-24 | 10576 |
| 15 | EX-31.1 | clf-2021123110xkex311.htm | EX-31.1 | 10690 |
| 16 | EX-31.2 | clf-2021123110xkex312.htm | EX-31.2 | 10644 |
| 17 | EX-32.1 | clf-2021123110xkex321.htm | EX-32.1 | 6611 |
| 18 | EX-32.2 | clf-2021123110xkex322.htm | EX-32.2 | 6677 |
| 19 | EX-95 | clf-2021123110xkex95.htm | EX-95 | 108358 |
| 20 | EX-96.5 | clf-2021123110xkex965.htm | EX-96.5 | 2469581 |
| 26 | clf-20211231_g1.jpg | GRAPHIC | 42668 | |
| 27 | clf-20211231_g10.jpg | GRAPHIC | 23607 | |
| 28 | clf-20211231_g11.jpg | GRAPHIC | 23226 | |
| 29 | clf-20211231_g12.jpg | GRAPHIC | 25272 | |
| 30 | clf-20211231_g13.jpg | GRAPHIC | 23570 | |
| 31 | clf-20211231_g14.jpg | GRAPHIC | 50699 | |
| 32 | clf-20211231_g15.jpg | GRAPHIC | 32756 | |
| 33 | clf-20211231_g2.jpg | GRAPHIC | 282981 | |
| 34 | clf-20211231_g3.jpg | GRAPHIC | 286616 | |
| 35 | clf-20211231_g4.jpg | GRAPHIC | 158453 | |
| 36 | clf-20211231_g5.jpg | GRAPHIC | 292583 | |
| 37 | clf-20211231_g6.jpg | GRAPHIC | 303954 | |
| 38 | clf-20211231_g7.jpg | GRAPHIC | 148559 | |
| 39 | clf-20211231_g8.jpg | GRAPHIC | 196210 | |
| 40 | clf-20211231_g9.jpg | GRAPHIC | 118939 | |
| 41 | fig_11-1a.jpg | GRAPHIC | 2478895 | |
| 42 | fig_11-2a.jpg | GRAPHIC | 482708 | |
| 43 | fig_11-3a.jpg | GRAPHIC | 92999 | |
| 44 | fig_11-4a.jpg | GRAPHIC | 167515 | |
| 45 | fig_11-5a.jpg | GRAPHIC | 758105 | |
| 46 | fig_11-6a.jpg | GRAPHIC | 165026 | |
| 47 | fig_11-7a.jpg | GRAPHIC | 2304222 | |
| 48 | fig_11-8a.jpg | GRAPHIC | 2007411 | |
| 49 | fig_11-9a.jpg | GRAPHIC | 1746912 | |
| 50 | fig_12-1a.jpg | GRAPHIC | 16606 | |
| 51 | fig_12-2a.jpg | GRAPHIC | 71677 | |
| 52 | fig_12-3a.jpg | GRAPHIC | 3316075 | |
| 53 | fig_13-1a.jpg | GRAPHIC | 175102 | |
| 54 | fig_13-2a.jpg | GRAPHIC | 2684963 | |
| 55 | fig_13-3a.jpg | GRAPHIC | 3517430 | |
| 56 | fig_13-4a.jpg | GRAPHIC | 758356 | |
| 57 | fig_13-5a.jpg | GRAPHIC | 788524 | |
| 58 | fig_13-6a.jpg | GRAPHIC | 711878 | |
| 59 | fig_13-7a.jpg | GRAPHIC | 3200065 | |
| 60 | fig_13-8a.jpg | GRAPHIC | 70910 | |
| 61 | fig_13-9a.jpg | GRAPHIC | 18023449 | |
| 62 | fig_14-1a.jpg | GRAPHIC | 610793 | |
| 63 | fig_14-2a.jpg | GRAPHIC | 510978 | |
| 64 | fig_3-1a.jpg | GRAPHIC | 1302921 | |
| 65 | fig_3-2a.jpg | GRAPHIC | 2341476 | |
| 66 | fig_3-3a.jpg | GRAPHIC | 2924659 | |
| 67 | fig_6-4a.jpg | GRAPHIC | 1094499 | |
| 68 | fig_6-5a.jpg | GRAPHIC | 19475 | |
| 69 | fig_6-6a.jpg | GRAPHIC | 21959 | |
| 70 | fig_7-1a.jpg | GRAPHIC | 3157892 | |
| 71 | fig_8-1a.jpg | GRAPHIC | 637223 | |
| 72 | fig_8-2a.jpg | GRAPHIC | 758713 | |
| 73 | fig_8-3aa.jpg | GRAPHIC | 22116 | |
| 74 | fig_8-3ba.jpg | GRAPHIC | 21002 | |
| 75 | fig_8-4a.jpg | GRAPHIC | 79660 | |
| 76 | fig_8-6aa.jpg | GRAPHIC | 41867 | |
| 77 | fig_8-6ba.jpg | GRAPHIC | 61575 | |
| 78 | fig_8-6ca.jpg | GRAPHIC | 67606 | |
| 79 | fig_8-6da.jpg | GRAPHIC | 56105 | |
| 80 | fig_9-1a.jpg | GRAPHIC | 138713 | |
| 81 | fig_9-2a.jpg | GRAPHIC | 201460 | |
| 82 | footera.jpg | GRAPHIC | 1176 | |
| 83 | headera.jpg | GRAPHIC | 12722 | |
| 84 | image_0a.jpg | GRAPHIC | 1602 | |
| 85 | image_153a.jpg | GRAPHIC | 451881 | |
| 86 | image_154a.jpg | GRAPHIC | 592550 | |
| 87 | image_155a.jpg | GRAPHIC | 272935 | |
| 88 | image_156a.jpg | GRAPHIC | 202091 | |
| 89 | image_157a.jpg | GRAPHIC | 571571 | |
| 90 | image_158a.jpg | GRAPHIC | 563341 | |
| 91 | image_159a.jpg | GRAPHIC | 571737 | |
| 92 | image_160a.jpg | GRAPHIC | 623918 | |
| 93 | image_1a.jpg | GRAPHIC | 926975 | |
| 94 | image_23a.jpg | GRAPHIC | 193308 | |
| 95 | image_24a.jpg | GRAPHIC | 364671 | |
| 96 | image_48a.jpg | GRAPHIC | 215791 | |
| 97 | slrlogoa.jpg | GRAPHIC | 114539 | |
| 98 | slrsolutionsa.jpg | GRAPHIC | 12344 | |
| Complete submission text file | 0000764065-22-000037.txt | 119615496 |
Data Files
| Seq | Description | Document | Type | Size |
|---|---|---|---|---|
| 21 | XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT | clf-20211231.xsd | EX-101.SCH | 111425 |
| 22 | XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT | clf-20211231_cal.xml | EX-101.CAL | 146457 |
| 23 | XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT | clf-20211231_def.xml | EX-101.DEF | 744247 |
| 24 | XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT | clf-20211231_lab.xml | EX-101.LAB | 1402250 |
| 25 | XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT | clf-20211231_pre.xml | EX-101.PRE | 1066444 |
| 228 | EXTRACTED XBRL INSTANCE DOCUMENT | clf-20211231_htm.xml | XML | 5453730 |
IRS No.: 341464672 | State of Incorp.: OH | Fiscal Year End: 1231
Type: 10-K | Act: 34 | File No.: 001-08944 | Film No.: 22618812
SIC: 1000 Metal Mining
