BETA ZEN
Charles Mason
Texto da Wikipédia (en), licença CC BY-SA. O BETARUBI mostra o verbete inteiro nesta página — a leitura não continua fora do site.
Charles Mason was an English surveyor and astronomer who is best known for surveying the Mason–Dixon line with Jeremiah Dixon from 1763 to 1767. The line came to mark the borders between Maryland, Pennsylvania and Delaware.