TY - RPRT TI - Digital bedrock geologic map of the Vermont part of the 7.5 x 15 minute Mount Ascutney and Springfield quadrangles, Vermont AU - Gregory J. Walsh AU - Thomas R. Armstrong AU - N. M. Ratcliffe PY - 1996 DO - 10.3133/ofr96733a UR - https://pubs.usgs.gov/publication/ofr96733A ID - ofr96733A ER -