The Washington Department of Fish and Wildlife produces hundreds of documents annually, outlining fish, wildlife, and lands management, scientific research, guidance for homeowners, local governments, and contractors, harvest summaries, and other materials.
Washington Gray Wolf Conservation and Management: 2013 Annual Report
Becker, S.A., T. Roussin, G. Spence, E. Krausz, D. Martorello, S. Simek, and K. Eaton (2014)