A $16 million measure to fund construction of an agricultural training center and other improvements for Linn-Benton Community College won approval in the May 17 primary election, though mostly through Benton County votes, which outweighed a loss in Linn County results.

Returns were incomplete on Election Day, thanks to the state’s new postmark rule, approved by the Legislature last year, which requires any ballot with a postmark of May 17 or before to be counted through May 24.

Secretary of State Shemia Fagan said earlier this month that residents should expect that the number of ballots...