Côte des Blancs MapNOTE: THIS IS A SPECIAL ORDER ITEM. IF YOU ARE INTERESTED IN PURCHASING IT, PLEASE CONTACT US. This large format 23. 625 inches (60 cm) x 59 inches (160 cm) map is of the principal portion, or cuesta, of the Cte des Blancs. Its one of the first maps in Mapping Champagne, a new series of maps by Steve De Long and Charles Curtis MW. It's the first modern update and expansion of the pioneering work of Larmat, which was done in the 1940s.