TY - RPRT TI - Bedrock geologic map of the Springfield 7.5- x 15-minute quadrangle, Windsor County, Vermont, and Sullivan County, New Hampshire AU - Gregory J. Walsh AU - Peter M. Valley AU - Thomas R. Armstrong AU - Nicholas M. Ratcliffe AU - Arthur J. Merschat AU - Beau J. Gentry PY - 2020 DO - 10.3133/sim3462 UR - https://pubs.usgs.gov/publication/sim3462 ID - sim3462 ER -