11. Bedrock geologic map of the Worcester South quadrangle, Worcester County Massachusetts Author/Creator: Walsh, Gregory J., cartographer Publication/Creation: Reston, Virginia : U.S. Department of the Interior, U.S. Geological Survey, 2015 Resource Type: Map Access & Availability: Loading
12. Bedrock geologic map of Vermont Author/Creator: Ratcliffe, Nicholas M. 1938- (Nicholas Morley) Publication/Creation: [Reston, Va.] : U.S. Dept, of the Interior, U.S. Geological Survey, 2011 Resource Type: Map Access & Availability: Loading
13. Bedrock geology and hydrostratigraphy of the Edwards and Trinity aquifers within the Driftwood and Wimberley 7.5-minute quadrangles, Hays and Comal Counties, Texas Author/Creator: Clark, Allan K., cartographer Publication/Creation: [Washington, D.C.] : U.S. Department of the Interior, U.S. Geological Survey, 2017 Resource Type: Map Access & Availability: Loading
14. 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