Medium: Pen and ink on paper
The border between Devon and Cornwall is shown running along the River Tamer from Horse Bridge to New Bridge. Mining is evident around Peter Tavy to the central right of the picture, while Mill Hill Slate Quarry is prominent in the middle of the region. There are more quarries just above Sampford Spiny, to the bottom right of the map. At the topmost point is Brent Tor, with the Church of St Michael enclosed by a red boundary signifying a stone wall. Authorship is unconfirmed.