Bedrock geologic map of the early Mesozoic Pomperaug Basin surrounding basement rocks, Litchfield and New Haven Counties, Connecticut / by William Burton ; U.S. Department of the Interior, U.S. Geological Survey
Mode of access: Internet from the USGS web site. Address as of 8/14/07: http://pubs.usgs.gov/of/2006/1011/ofr2006-1011.pdf; current access via PURL. System requirements: PC with Internet access and ability to handle .pdf (Portable Document Format) files.
General Note:
Title from HTML index page (viewed on May 3, 2007).