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Filing Detail
Form 10-K/A - Annual report [Section 13 and 15(d), not S-K Item 405]: [Amend]
SEC Accession No. 0001047469-12-004613
Filing Date
2012-04-23
Accepted
2012-04-23 17:09:53
Documents
143
Period of Report
2011-12-31

Document Format Files

Seq Description Document Type Size
1 10-K/A a2208896z10-ka.htm 10-K/A 1434616
2 EX-23.1 a2208896zex-23_1.htm EX-23.1 6054
3 EX-31.1 a2208896zex-31_1.htm EX-31.1 10185
4 EX-31.2 a2208896zex-31_2.htm EX-31.2 10203
5 EX-32.1 a2208896zex-32_1.htm EX-32.1 5849
6 EX-32.2 a2208896zex-32_2.htm EX-32.2 5844
14 G404998.JPG g404998.jpg GRAPHIC 10067
15 G181140.JPG g181140.jpg GRAPHIC 3663
16 G129604.JPG g129604.jpg GRAPHIC 8135
17 G811826.JPG g811826.jpg GRAPHIC 4522
18 G567471.JPG g567471.jpg GRAPHIC 6658
19 G97992KGI001.JPG g97992kgi001.jpg GRAPHIC 2858
20 G97993DAI001.GIF g97993dai001.gif GRAPHIC 6701
21 filename21.htm CORRESP 18594
  Complete submission text file 0001047469-12-004613.txt   22872661

Data Files

Seq Description Document Type Size
7 EX-101.INS aci-20111231.xml EX-101.INS 4826548
8 EX-101.SCH aci-20111231.xsd EX-101.SCH 113554
9 EX-101.CAL aci-20111231_cal.xml EX-101.CAL 133082
10 EX-101.DEF aci-20111231_def.xml EX-101.DEF 441446
11 EX-101.LAB aci-20111231_lab.xml EX-101.LAB 984289
12 EX-101.PRE aci-20111231_pre.xml EX-101.PRE 819137
Mailing Address CITYPLACE ONE SUITE 300 ARCH MINERAL CORP CREVE COEUR MO 63141
Business Address CITY PLACE ONE STE 300 ARCH MINERAL CORP ST LOUIS MO 63141 3149942700
ARCH COAL INC (Filer) CIK: 0001037676 (see all company filings)

IRS No.: 430921172 | State of Incorp.: DE | Fiscal Year End: 1231
Type: 10-K/A | Act: 34 | File No.: 001-13105 | Film No.: 12773888
SIC: 1221 Bituminous Coal & Lignite Surface Mining