1. Preliminary bedrock geologic map of the Plymouth quadrangle and eastern portion of the Killington Peak quadrangle, Windsor and Rutland counties, Vermont [microform] Yale Public content 1994. 2002-06-01T04:00:00Z. 2002-06-01T04:00:00Z. Geological Survey (U.S.). The Survey ; Books and Open-File Reports Section, distributor. English. Public. Vermont, Windsor County, and Rutland County.