Chris,
regarding Fort Ramsey, it was listed as an advanced fort see page 147.
From the Historical Marker Database
Fort Ramsay (Present day 1100 block of John Marshall Drive)- Originally named Fort Upton for the hill and local property owner. It was occupied by two companies of the Massachusetts Heavy Artillery. Photographic evidence shows two heavy cannon (32 or 42-pdr) supported by at least two light field pieces.