D. C. and MD Land that we probably should not have sold off

Those who should arrive after 1655 were promised 1,000 acres for every five men they transported to the colony, and the rent for it was fixed at 20 shillings a year, payable in the country's produce. Ships from the Old World continued to arrive with settlers for the manors and plantations of lower Maryland. In 1633 began the patents in the upper reaches of the Potomac and near the Falls. Before 1700, the whole area now covered by Washington was in the possession of its first land owners.
As Ninian Beall was responsible for about 200 immigrants coming to the country, when Prince Georges County was created out of Calvert County, over 7,000 acres of his property were found to be in the new county. On part of this acreage, the District of Columbia is now located, an on another part the famed "Dumbarton Oaks." His first tract of land was called "Rock of Dumbarton." This grant was received from Lord Baltimore and was for seven hundred and ninety five acres.
The area in Maryland now included in the District of Columbia, in those days before 1700 was called New Scotland Hundred, and was a part of Charles County. This county was created by Lord Baltimore in 1658. It was the property along the Potomac River from Wicomico "as high as the settlements extend." New Scotland Hundred extended from Oxon Branch (opposite Alexandria, Va.) to the falls of the Potomac. Charles Beall was the pressmaster of this county. The area included:
• "The Nock" - grant of 500 acres first warranted to Ninian Beall.
• "Meurs" - 500 acres first granted to Ninian Beall, originally named "Chance"
• "Barbadoe" - first laid out or surveyed by Ninian Beall, 250 acres
• "Inclosure" - patented on Oct. 2, 1687, 1503 acres surveyed for Ninian Beall and by him taken up in 1687, and which was a tract now part of the National Arboretum.
On the eastern side of the Anacostia River the land belonged to Col. Beall above the land of the Addisons. "Fife Enlarged," 1,050 acres, named for Fifeshire, Scotland, was deeded by Co. Beall so his son Capt. Charles Beall, who died in 1740.
In the western portion of the area later covered by the National Capital, early taken up by various grants, there was no opportunity for ownership by Col. Beall until the end of the 17th century. His interests had centered on the area, however, probably through his early trips to the Garrison at the Falls. Eventually, Col. Beall was successful in obtaining tracts on both sides of Rock Creek, "Rock of Dumbarton" on the western side of Rock Creek, and on the eastern side, nearly opposite "Rock of Dumbarton," his earlier tract, "Beall's Levels," 225 acres between Mr. Hutchison's land, and the tract called "Widow's Mite."