Nicolas BRÉMONTIER (1738-1809) engineer, fixed the Landes dunes. L.A.S., Périgueux September 6, 1768; 2pages in-4. On the subject of the Périgueux bridge, which is almost complete: only about "half the rejointoiemens and the paving remain"... He gives technical details, explaining that a contractor had deviated slightly from the original estimate: "This object did not cause any delay in the perfection of this work. About 1,000 livres are owed to the workmen who claim their wages from the contractor"... Attached is a L.S. from a Ponts et Chaussées engineer, Dax January 12, 1833, to M. de Silguy, about dune seeding.