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12/15/1998 12:00:00 AM
184-543
4TH SUPPLEMENTAL INDENTURE DATED FEBRUARY 1, 1959
(PDF)
25 Pages
NORTHWEST NATURAL GAS CO FKA
PORTLAND GAS & COKE COMPANY
KENNEDY J C ETAL
BANKERS TRUST COMPANY ETAL
10/24/2016 12:51:05 PM