During an excavation, the first thing that happens is a map is made of the archaeological site and the local vicinity. This Total Station transit allows the archaeologist to make an accurate map of an archaeological site, including the topography of the surface, the relative location of artifacts and features within the site, and the placement of excavation units.
The CSA Newsletter has an excellent description of how to use a total station transit.
The CSA Newsletter has an excellent description of how to use a total station transit.

