1. Bedrock topography of western Cape Cod, Massachusetts, based on bedrock altitudes from geological borings and analysis of ambient seismic noise by the horizontal-to-vertical spectral-ratio method Author/Creator: Fairchild, Gillian M., cartographer Publication/Creation: [Reston, Va.] : U.S. Department of the Interior, U.S. Geological Survey, 2013 Resource Type: Map Access & Availability: Loading