Federal regulators have rejected a proposed pipeline that would have carried Wyoming and Colorado gas to an export terminal in Oregon. The 230-mile Pacific Connector pipeline would have linked an existing pipeline to the proposed Jordan Cove terminal, where the gas would have been liquefied and loaded onto ships bound for Asia.

The Federal Energy Regulatory Commission found the public benefits of the project did not justify the potential negative impacts on landowners whose properties the pipeline would cross.

The pipeline would have been the only source of gas for the Jordan Cove terminal. As a result, the Commission also denied that project’s permit.

Colorado Governor John Hickenlooper has been a vocal supporter of the project in the past, saying it would provide new markets for the region’s natural gas.

There are currently dozens of other LNG terminals proposed along the Gulf Coast, but only one other terminal proposed for the West Coast.

Jordan Cove’s backers say they will appeal the decision.