The services for archeology offered by Teichos find essential support in the creation of a high quality graphic documentation, drawn up by specialized personnel on the basis of an accurate survey activity, direct and indirect and through a subsequent digital restitution. The surveys are carried out with traditional methods, with the aid of advanced topographic tools and with the use of digital photogrammetry, as well as with the use of territorial systems GIS (Geographic Information System), integrated digital technology for archiving, analysis, organization and communication of georeferenced spatial data.