This spreadsheet contains Thermal Conductivity data complied by the Virginia Department of Mines, Minerals and Energy, Division of Geology and Mineral Resources, published as a Web feature service for the National Geothermal Data System. The document contains 7 worksheets, including information about the template, notes related to revisions of the template, resource provider information, the data, a field list (data mapping view), and a worksheet with vocabularies for use in populating the spreadsheet (data valid terms). Data includes 1494 observations. Field names in the template include Measurement Procedure, Average Thermal Conductivity, Geologic Formation Type, and Sample Depth, among others.