The first store at Eugene's OAKWAY MALL opened in June 1966. The fully-enclosed, community-class complex was completed in the following year. Renamed OAKWAY CENTER in 1998, it was reconfigured -as a lifestyle center- between 1995 and 2002.
Photo from Google Maps / Graphic from the McCay Investment Group  

EUGENE MALL, a city center redevelopment, converted a 9-block area into a pedestrian mall. Sections of Willamette Street, Olive Street and Broadway were closed to auto traffic. The mall, dedicated in February 1971, failed to live up to expectations. It was unceremoniously dismantled between 1984 and 2002.
Photo from Canyon Publishing Company / Graphic from the City of Eugene

One of the primary competitors of VALLEY RIVER CENTER was Springfield's GATEWAY MALL. Dedicated in March 1990, it was demalled in 2015 and renamed THE SHOPPES AT GATEWAY.
Photo from http://www.ggp.com (website on Internet Archive Wayback Machine) / Graphic from http://www.gatewaymall.com (website on Internet Archive Wayback Machine)