1. Mapping bedrock surface contours using the Horizontal-to-Vertical Spectral Ratio (HVSR) method near the Middle Quarter area, Woodbury, Connecticut Author/Creator: Brown, Craig J., author Publication/Creation: [Reston, Va.] : U.S. Department of the Interior, U.S. Geological Survey, [2013] Resource Type: Book Edition: Version 1.1, March 2013. Access & Availability: Loading