It sounds like you're looking for a bit of a "digital history" lesson on two of the most iconic pieces of software in the civil engineering and surveying world.
In the fast-paced world of Computer-Aided Design (CAD), software versions usually become obsolete within a few years. However, a specific combination remains a "gold standard" for many top-tier surveyors and civil engineers: . Even nearly two decades after their release, the search for a stable "Extra Quality" archive of these tools remains high. AutoCAD 2007 Et Covadis 2007.zip Extra Quality