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 100752 | Affiliated interest agreement between Cascade Natural Gas Corporation and Williston Basin Interstate Pipeline Company, reflecting Software Licensing Agreement. |
| 100364 | Affiliated Interest Agreement between Cascade Natural Gas Corporation (CNGC) and Williston Basin Interstate (WBI) Pipeline Company. The service agreement is for gas system monitoring and notification services. This agreement will go into effect April 1, 2010. Both CNGC and WBI are subsidiaries of MDU Resources Group Inc. |
| 091350 | Affiliated interest agreement between Cascade Natural Gas Corporation and Loy Clark Pipeline Company reflecting a Pipeline Construction Agreement. |
| 082131 | Cancels the Affiliated Interest Agreement between Cascade Natural Gas Company (CNGC) and Intermountain Gas Company (ICG), effective August 17, 2009, for after hours emergency call center services. |
| 070639 | Affiliated Interest Agreement between Cascade Natural Gas Corporation and CGC Energy, Inc. |
| 030824 | 2002 Annual Report of Affiliated Interest Transactions, pursuant to WAC 480-146-360. |