1. Bedrock geologic map of the Montpelier and Barre West quadrangles, Washington and Orange counties, Vermont [cartographic material] Yale Public content 2010. 2010-10-26T15:46:49Z. 2020-02-05T22:32:40Z. Walsh, Gregory J. U.S. Dept., of the Interior, U.S. Geological Survey ; For sale by U.S. Geological Survey, Information Services. English. Public. Vermont, Orange County, and Washington County.