Reprint of 1905 France. Service de la carte geologique de France North Decimal Degree 48.7780 South Decimal Degree 48.4182 East Decimal Degree 1.9017 West Decimal Degree 1.0308 Relief shown by hachures. Principal meridian: Paris. Longitude is given in centesimal values (100 grades = 90 degrees) .The Service de la carte geologique de la France was integrated to the BRGM to become the only France Service geologique national. Based on "Carte topograqphique de l'etat major."