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Form 8-K - Current report:
SEC Accession No. 0001104659-12-081611
Filing Date
2012-12-04
Accepted
2012-12-03 20:37:33
Documents
38
Period of Report
2012-12-04
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 a12-28511_18k.htm 8-K 25762
2 EX-99.1 a12-28511_1ex99d1.htm EX-99.1 74050
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12 GRAPHIC g285111mmi010.jpg GRAPHIC 87528
13 GRAPHIC g285111mmi011.gif GRAPHIC 126693
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24 GRAPHIC g285111mmi022.gif GRAPHIC 145121
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30 GRAPHIC g285111mmi028.gif GRAPHIC 86132
31 GRAPHIC g285111mmi029.jpg GRAPHIC 53231
32 GRAPHIC g285111mmi030.gif GRAPHIC 77429
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34 GRAPHIC g285111mmi032.gif GRAPHIC 131467
35 GRAPHIC g285111mmi033.gif GRAPHIC 73424
36 GRAPHIC g285111mmi034.gif GRAPHIC 66874
37 GRAPHIC g285111mmi035.gif GRAPHIC 58318
38 GRAPHIC g285111mmi036.gif GRAPHIC 132759
  Complete submission text file 0001104659-12-081611.txt   5375332
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.: 121238947
SIC: 1311 Crude Petroleum & Natural Gas