Nivellement général de la France.
Bourges, Pigelet, 1864. *** First edition. The general leveling of France in 1864 was the first homogeneous leveling done on the whole of French territory. Bourdalouë, director of this project, had led the French brigade in 1847 to study the Isthmus of Suez. "The precision (of the leveling) is such..... More