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Filing Detail
Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]:
SEC Accession No. 0001047469-10-001643
Filing Date
2010-03-01
Accepted
2010-03-01 16:05:13
Documents
16
Period of Report
2009-12-31

Document Format Files

Seq Description Document Type Size
1 10-K a2196773z10-k.htm 10-K 2399972
2 EX-10.39 a2196773zex-10_39.htm EX-10.39 492179
3 EX-10.40 a2196773zex-10_40.htm EX-10.40 17817
4 EX-10.41 a2196773zex-10_41.htm EX-10.41 26069
5 EX-12.1 a2196773zex-12_1.htm EX-12.1 25253
6 EX-21.1 a2196773zex-21_1.htm EX-21.1 15131
7 EX-23.1 a2196773zex-23_1.htm EX-23.1 3068
8 EX-31.1 a2196773zex-31_1.htm EX-31.1 8002
9 EX-31.2 a2196773zex-31_2.htm EX-31.2 8505
10 EX-32.1 a2196773zex-32_1.htm EX-32.1 5711
11 EX-32.2 a2196773zex-32_2.htm EX-32.2 5754
12 G604945.JPG g604945.jpg GRAPHIC 65270
13 G748511.JPG g748511.jpg GRAPHIC 38830
14 G199376.JPG g199376.jpg GRAPHIC 33589
15 G51893.JPG g51893.jpg GRAPHIC 40774
16 G784931.JPG g784931.jpg GRAPHIC 42972
  Complete submission text file 0001047469-10-001643.txt   3314693
Mailing Address 1515 ARAPAHOE STREET TOWER 2, SUITE 700 DENVER CO 80202-2126
Business Address 1515 ARAPAHOE STREET TOWER 2, SUITE 700 DENVER CO 80202-2126 303-925-9200
MARKWEST ENERGY PARTNERS L P (Filer) CIK: 0001166036 (see all company filings)

IRS No.: 270005456 | Fiscal Year End: 1231
Type: 10-K | Act: 34 | File No.: 001-31239 | Film No.: 10644536
SIC: 1311 Crude Petroleum & Natural Gas