TY - RPRT TI - Afraid to Start Because the Outcome is Uncertain?: Social Site Characterization as a Tool for Informing Public Engagement Efforts AU - S. Wade AU - S. Greenberg PY - 2009 DO - 10.1016/j.egypro.2009.02.286 UR - https://pubs.usgs.gov/publication/70036034 ID - 70036034 ER -