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Filing Detail
Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]:
SEC Accession No. 0001193125-12-107345
Filing Date
2012-03-09
Accepted
2012-03-09 17:28:54
Documents
18
Period of Report
2011-12-31

Document Format Files

Seq Description Document Type Size
1 FORM 10-K d293011d10k.htm 10-K 1699589
2 LIST OF SUBSIDIARIES OF THE REGISTRANT d293011dex211.htm EX-21.1 6316
3 CONSENT OF GRANT THORNTON LLP, INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM d293011dex231.htm EX-23.1 1643
4 CERTIFICATION d293011dex311.htm EX-31.1 6220
5 CERTIFICATION d293011dex312.htm EX-31.2 6226
6 CERTIFICATION d293011dex321.htm EX-32.1 5261
13 GRAPHIC g293011g07l49.jpg GRAPHIC 53575
14 GRAPHIC g293011g10e53.jpg GRAPHIC 55568
15 GRAPHIC g293011g12o81.jpg GRAPHIC 26754
16 GRAPHIC g293011g65a03.jpg GRAPHIC 9265
17 GRAPHIC g293011g80g07.jpg GRAPHIC 39245
18 GRAPHIC g293011g99t90.jpg GRAPHIC 69860
  Complete submission text file 0001193125-12-107345.txt   5722748

Data Files

Seq Description Document Type Size
7 XBRL INSTANCE DOCUMENT zinc-20111231.xml EX-101.INS 815046
8 XBRL TAXONOMY EXTENSION SCHEMA zinc-20111231.xsd EX-101.SCH 21117
9 XBRL TAXONOMY EXTENSION CALCULATION LINKBASE zinc-20111231_cal.xml EX-101.CAL 49400
10 XBRL TAXONOMY EXTENSION DEFINITION LINKBASE zinc-20111231_def.xml EX-101.DEF 14384
11 XBRL TAXONOMY EXTENSION LABEL LINKBASE zinc-20111231_lab.xml EX-101.LAB 187082
12 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE zinc-20111231_pre.xml EX-101.PRE 113906
Mailing Address 4955 STEUBENVILLE PIKE SUITE 405 PITTSBURGH PA 15205
Business Address 4955 STEUBENVILLE PIKE SUITE 405 PITTSBURGH PA 15205 724-773-2212
Horsehead Holding Corp (Filer) CIK: 0001385544 (see all company filings)

IRS No.: 000000000
Type: 10-K | Act: 34 | File No.: 001-33658 | Film No.: 12681782
SIC: 3330 Primary Smelting & Refining of Nonferrous Metals