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Filing metadata

Accession number: 0001179110-12-007480
Form type: Form 4
Filer: MARKWEST ENERGY PARTNERS L P
CIK: CIK 1166036
Filed: May 01, 2012
Reporting period: May 01, 2012
Description: Insider transaction

Documents

0001179110-12-007480-index.htm

Complete submission

0001179110-12-007480.txt

directory listing

Filed by

MARKWEST ENERGY PARTNERS L P