The History of the Several Towns, Manors, and Patents of the County of Westchester (1881 revised edition, Vol. I)
Fort Putnam, stone, wanting great repairs, the wall on the East side broke down, and rebuilding From the Foundation at the West and South side have been a C'hevaux de Frise on the Wst side broke in many places. The East side open, two Boom Proof and Provision Magazine in the Fort, and slight Wooden Barrack. -- A commanding piece of ground 500 yards West between the Fort and No. 4-- or Rocky Hill. --
Fort Webb Built of Fascines and Wood, a slight Work very dry and liable to be set on fire as the approaches are very easy, without defences save a alight abathus.
Fort Wyllys built of stone 5 feet high the work above plank filled with Earth and stone work 15 feet the Earth 9 feet thick. -- No Bomb Proofs, the Batteries without the Fort.
Redoubt No. 1. On the south side wood nine feet thick, the Wt. North and East sides 4 feet thick, no cannon in the works, a slight and single Abatters, no ditch or pickctt. Cannon on two batteries. No Bomb Proofs.
Redoubt No. 2. The same as No. 1. No Bomb Proofs.
Redoubt No. 2. A slight Wood Work 3 Feet thick very Dry no Bomb Proofs, a single Abatters, the work easily set on fire -- no Cannon.
Redoubt No. 4. A Wooden work about 10 feet high and four or five feet thick, the West side faced with a stone wall 8 feet high and four thick. No Bomb Proof, two six pounders, a slight Abatters, a commanding piece of ground 500 yards Wt.