Interview with Oliver and Sam Posted on November 19, 2015 by welash28 in Field Study. In the sound clip Oliver touches on acidity in coffee and Sam discusses scale in terms of coffee suppliers. http://blogs.evergreen.edu/terroir-coffee6/files/2015/11/Olympia-Coffee-Roasters.mp3 Image: Picture of Olympia Coffee Roaster staff from Olympiacoffee.com