What skill set was essential for Banneker's civic contribution to the nation's capital?

Answer

Expertise in geodesy and observational astronomy

His civic contribution to the D.C. survey highlights his expertise in geodesy and observational astronomy, skills essential for the physical creation and accurate demarcation of the nation's capital.

What skill set was essential for Banneker's civic contribution to the nation's capital?
inventionHistorypersoninventorBanneker