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Filing Detail
Form 8-K - Current report:
SEC Accession No. 0001104659-12-009417
Filing Date
2012-02-14
Accepted
2012-02-14 06:11:49
Documents
23
Period of Report
2012-02-14
Items
Item 7.01: Regulation FD Disclosure
Item 9.01: Financial Statements and Exhibits

Document Format Files

Seq Description Document Type Size
1 8-K a12-4783_18k.htm 8-K 24797
2 EX-99.1 a12-4783_1ex99d1.htm EX-99.1 35074
3 GRAPHIC g47831mmi001.gif GRAPHIC 251972
4 GRAPHIC g47831mmi002.gif GRAPHIC 126203
5 GRAPHIC g47831mmi003.jpg GRAPHIC 38854
6 GRAPHIC g47831mmi004.gif GRAPHIC 266470
7 GRAPHIC g47831mmi005.jpg GRAPHIC 58690
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9 GRAPHIC g47831mmi007.gif GRAPHIC 259874
10 GRAPHIC g47831mmi008.gif GRAPHIC 162492
11 GRAPHIC g47831mmi009.gif GRAPHIC 148843
12 GRAPHIC g47831mmi010.gif GRAPHIC 176718
13 GRAPHIC g47831mmi011.gif GRAPHIC 107126
14 GRAPHIC g47831mmi012.gif GRAPHIC 96292
15 GRAPHIC g47831mmi013.gif GRAPHIC 262104
16 GRAPHIC g47831mmi014.gif GRAPHIC 93652
17 GRAPHIC g47831mmi015.gif GRAPHIC 76539
18 GRAPHIC g47831mmi016.jpg GRAPHIC 77279
19 GRAPHIC g47831mmi017.gif GRAPHIC 188672
20 GRAPHIC g47831mmi018.gif GRAPHIC 262361
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22 GRAPHIC g47831mmi020.gif GRAPHIC 112783
23 GRAPHIC g47831mmi021.gif GRAPHIC 255837
  Complete submission text file 0001104659-12-009417.txt   4573331
Mailing Address 1515 ARAPAHOE STREET TOWER 1, SUITE 1600 DENVER CO 80202
Business Address 1515 ARAPAHOE STREET TOWER 1, SUITE 1600 DENVER CO 80202 303-925-9200
MARKWEST ENERGY PARTNERS L P (Filer) CIK: 0001166036 (see all company filings)

IRS No.: 270005456 | Fiscal Year End: 1231
Type: 8-K | Act: 34 | File No.: 001-31239 | Film No.: 12602251
SIC: 1311 Crude Petroleum & Natural Gas