1. Quantifying and qualifying USGS ShakeMap uncertainty Author/Creator: Wald, David J. (David Jay) Publication/Creation: Reston, Va. : U.S. Geological Survey, 2008 Resource Type: Book Edition: Version 1.0. Access & Availability: Loading
2. Did you feel it? : citizens contribute to earthquake science Author/Creator: Wald, David J. (David Jay) Publication/Creation: Golden, CO : Earthquake Hazards Program, U.S. Geological Survey, [2005] Resource Type: Book Access & Availability: Loading