The townland of Drumcrow is in the parish of Loughgilly in Armagh County. It is not shown on the map.
Paterson (Armachiana, Vol. 16, p.21) notes:
The Environment and Heritage Service Sites and Monuments Record (2002) notes the following in this townland:
Enclosure of uncertain period
SMR NO: ARM 021:019
Irish Grid Reference: H98523199
CONDITION: No visible remains
A "Site of Fort" measuring c.35m in diam. is indicated on the 1863 OS 6" map, but there are now No visible remains. Although it was overlooked by higher ground to the W, the site was in a prominent position commanding an extensive view to the N & over the valley of the Creggan River to the E & S.
PRONI records: OS/6/2/21/1 (Surveyed 1834-35. Engraved 1835.); OS/6/2/21/2 (Surveyed 1834-35. Engraved 1835. Revised 1860. Revisions engraved 1863.); OS/6/2/21/3 (Surveyed 1834-35. Revised 1906. Published 1908. Reprinted 1921.); OS/6/2/21/4 (Surveyed 1834-35. Revised 1906. Published 1908. (2 copies), Reprints 1934-1957.); OS/6/2/21/5 (Surveyed 1906. Revised 1955. Levelled 1889 and 1906. Published 1958.); VAL/1B/219 (1st valuation records.); VAL/12B/15/19A, VAL/12B/15/19B, VAL/12B/15/19C, VAL/12B/15/19D, VAL/12B/15/19E (Valuation annual revision list.); VAL/2B/2/34A (Griffith valuation list.).