Comprises maps of farms in parishes of Llanfair-yn-neubwll and Bodedern:
- Map of T-mawr in Llanfair-yn-neubwll by Robert Parry-Thomas, Surveyor, Holyhead. Parchment. Scale: 2 chains to one inch. Date: 1869
- Map of Penmynydd in Bodedern by T.G. Owen. Paper. Scale: 100 feet to one inch. Date: 1886.
- Map of T-mawr. Paper. No scale. No date, 20th century.