sentences:  The district was divided into squares, and each square into lots.Daniel Carroll purchased lot 1 in square 725 on October 18, 1793, for $266.66, and the same day the federal government gave lot 32 in square 725 back to Carroll "gratis".Robert Sewall purchased lot 2 in square 725 for $429.33 on October 18, and lots 1 and 32 from Carroll for $600.29 on January 29, 1799.