This dataset contains wellheader features compiled by the Arizona Geological Survey, and published as a Web feature service for the National Geothermal Data System. Fields in the Wellheader Feature Content Model will become XML elements in interchange documents for WMS simple features provided by a node in the USGIN network. Each observation includes a WellName, WellType, Latitude and Longitude spatially referenced to EPSG: 4326 (for interoperability). The data contained in the submitted dataset is available as an Excel Spreadsheet, ESRI service, WMS and WFS service. 1,146 wellheader features are included in the dataset. Link to Wellheader Feature Content Model: http://stategeothermaldata.org/data_delivery/content_models/well_header.