Char Associates conducted an evaluation of the four-year, NSF-funded project, Interpreters and Scientists Working on Our Parks (iSWOOP). The project brought interpreters and scientists together in multi-day professional development sessions at five national parks with the purpose of showcasing scientific research that usually goes unseen and unappreciated by park visitors. iSWOOP coordinated the development and delivery of digital libraries including animations, still photos, thermal and high-speed videos, and maps to give visual support to explanations of particular scientific studies. In