If built as proposed, the trans-Alaska natural gas pipeline is expected to create thousands of jobs. Many, if not most, will go to people who don’t live in Alaska.

A six-year-old study, commissioned by the Alaska Gasline Development Corp. as part of the project’s environmental statement, says “an estimated 22 to 68 percent of the construction jobs would likely be filled by non-residents, depending on the construction year.”

The high end of that estimate…