Psuty, N., T. Silveira, A. Spahn, D. Soda, P. Zarella, J. McDermott, W. Hudacek, J. Gagnon. 2011. Shoreline change monitoring at Gateway National Recreation Area: 2009- 2010 annual report. Natural Resource Technical Report NPS/NCBN/NRTR-2011/500. National Park Service, Fort Collins, CO. (Publication)