Johan Sems

Johan Sems (1572 – January 1635), sometimes known as Johan Semp, was a Dutch cartographer, engineer and land surveyor.He specialized in land reclamation and the building of dikes and fortifications.

Johan Sems

Johan Sems (1572 – January 1635), sometimes known as Johan Semp, was a Dutch cartographer, engineer and land surveyor.He specialized in land reclamation and the building of dikes and fortifications.