 In November 2004 , Congress appropriated $ 700 @,@ 000 for the NWR to cover the costs of designing a public visitor ’ s center . By 2005 construction had progressed on public facilities at the site that included trails , observations decks , parking , and an entrance from Oregon Route 99W with plans for permanently opening to the public in 2006 . In July 2005 , the refuge received $ 3 @.@ 9 million from the federal government to complete a visitor ’ s center and new headquarters for the facility . In February 2006 , construction began on the main observation deck at the visitor ’ s plaza , with plans to open the refuge to the public in June . 
