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We are thrilled to announce a major milestone in the field of conservation—a landmark publication that represents over five years of collaborative research, and a project that our team at CCAHA was proud to help shape from its very beginning. The Conservation of Varnished Wall Maps: A Special Issue...

Even before he was old enough to officially rule France and the territories the nation had acquired throughout the world, King Louis XV knew his geography. He was eight years old when Guillaume Delisle, the great mapmaker who pioneered scientific cartography, took the position of Royal Geographer...

Trout-fishing enthusiasts from Philadelphia founded the Swiftwater Preserve fly-fishing club in 1896, and in the 115 years since, Preserve members have been fishing the same stretch of stream that the founders fished in the Pocono Mountains of Pennsylvania. A map of this area, drawn by member Craige...