Image for Charles Mason

Charles Mason

Charles Mason was a British-born astronomer and surveyor in the 18th century, best known for leading the Mason-Dixon Line survey in the United States. This project accurately mapped the boundary between Pennsylvania and Maryland, settling border disputes. Mason's work involved precise measurements using astronomical observations and geometric methods, contributing significantly to cartography and boundary delineation. His expertise helped settle regional conflicts and improved the accuracy of surveys in his era. Although his name is often associated with the boundary line, his contributions extend to advancements in surveying techniques and geographic knowledge during his time.