MCPD Control Point Identify Tool. GCS used ESRI ArcGIS Enterprise, Google Maps and StreetView, and Microsoft technologies. There are two main components to the MCPD: the public viewer and the data loader. The viewer application allows users to search and download the records. The data loader is secured by a log in, for use by licensed surveyors. Their uploaded point data is reviewed and verified by a qualified technician before it is incorporated into the released public dataset. For added convenience, GCS Research outfitted the data to provide copies of the Geographic Coordinate Database (GCDB) of the U.S. Bureau of Land Management, and links to the National Geodetic Survey (NGS) control point data sheets.