TY - RPRT TI - Preliminary Bedrock Geologic Map of the Mount Holly Quadrangle and portions of the Ludlow Quadrangle, Rutland and Windsor counties, Vermont AU - Nicholas M. Ratcliffe PY - 1992 DO - 10.3133/ofr92282b UR - https://pubs.usgs.gov/publication/ofr92282B ID - ofr92282B ER -