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






On April 19, 1775, British Regulars and American minutemen fought at 



To commemorate the start of another school year, the
Although historians generally disagree, many people think history repeats itself. Are there any parallels between the
“We hold these truths to be self-evident, that all men are created equal, that they are endowed by their Creator with certain unalienable Rights, that among these are Life, Liberty, and the pursuit of Happiness.” — U.S. Declaration of Independence


Those familiar with
We now have a more clear-eyed understanding of