Set of index cards describing some of the local features of the townland of Derrylea, [Doire Liath]. Included are descriptions of the Derrylea Mines, the Island Lough, Loch Fada, Joyce's Imleach, Derrylea Hill, and Loch an Arbhair are included in the descriptions. John Joyce of Emlaghmore, and Ritchie Savagh of Gowlan West are credited with providing the local information.