Surficial Geologic Map of the Town of Londonderry, Vermont
Digital data from VG08-2 De Simone, D., and Gale, M., 2008,�Surficial geology and hydrogeology of the Town Londonderry, Vermont: Vermont Geological Survey Open-File Report VG08-2, 7 color plates, scale 1:24,000 Data may include surficial geologic contacts, isopach contours lines, bedrock outcrop polygons, bedrock …