Bedrock Geologic Map of the Mount Holly and Ludlow Quadrangles, Vermont
Digital Data from VG94-229A Walsh, G.J., Ratcliffe, N.M., Dudley, J.B., and Merrifield, T., 1994,�Digital bedrock geologic map of the Mount Holly and Ludlow quadrangles, Vermont: USGS Open-File Report 94-229, 2 plates, scale 1:24000. The bedrock geologic map data at a scale of 1:24,000 depicts types of bedrock …