Boundary disputes such as the those around the New Hampshire Grants came up everywhere in the colonies. Many colonial grants had been based on parallels of latitude or meridians of longitude. It was no easy matter to mark out these lines.
One famous boundary historically is the Mason and Dixon line between Maryland and Pennsylvania. Mason was an astronomer as well as a surveyor and more astronomical observations were probably made in connection with this line than any other. [Read more…] about Astronomical Observatories & Early US Boundary & Coastal Surveys







What follows is excerpted from “The New York Post Office in Olden Times, by W.B.,Taylor, a paper read before the New York Historical Society on October 7, 1851.



Two hundred fifty years ago, in May 1775, delegates from thirteen British North American colonies gathered in 




You might say that the history of our postal system began when