NORTHWEST NATURAL GAS CO 10-Q
Accession 0000073020-18-000040
Filed
Nov 5, 7:00 PM ET
Accepted
Nov 6, 3:55 PM ET
Size
10.4 MB
Accession
0000073020-18-000040
Documents
- 10-Qform10-qq32018.htmPrimary
10-Q
- EX-31.1ex311q32018.htm
EXHIBIT 31.1
- EX-31.2ex312q32018.htm
EXHIBIT 31.2
- EX-31.3ex313q32018.htm
EXHIBIT 31.3
- EX-31.4ex314q32018.htm
EXHIBIT 31.4
- EX-32.1ex321q32018.htm
EXHIBIT 32.1
- EX-32.2ex322q32018.htm
EXHIBIT 32.2
- EX-101.INSnwn-20180930.xml
XBRL INSTANCE DOCUMENT
- EX-101.SCHnwn-20180930.xsd
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- EX-101.LABnwn-20180930_lab.xml
XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT
- EX-101.PREnwn-20180930_pre.xml
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- GRAPHICnwn4chz.jpg
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- XMLR70.htm
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- XMLR71.htm
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- XMLR72.htm
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- EXCELFinancial_Report.xlsx
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- XMLShow.js
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- XMLreport.css
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- XMLFilingSummary.xml
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- ZIP0000073020-18-000040-xbrl.zip
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Issuer
NORTHWEST NATURAL GAS CO
CIK 0000073020
Related Parties
1- filerCIK 0000073020
Filing Metadata
- Form type
- 10-Q
- Filed
- Nov 5, 7:00 PM ET
- Accepted
- Nov 6, 3:55 PM ET
- Size
- 10.4 MB