A presentation will be held Wednesday, Aug. 4, at 7 p.m. at the Frankfort Church Vestry on the history of the Mount Waldo Quarry. The presentation will be presented by the Waldo Pierce Reading Room & Library.

The guest speaker will be Stephen Haynes, curator of the Maine Granite Industry Historical Museum. Haynes has a wealth of information on the history of Maine quarries. Along with his slide show and presentation, he will bring tools used in the quarry and discuss the chemical composition of the rocks. A group discussion and related stories will follow. Light refreshments will be served.

For more information, call 223-4438. Library hours are Monday, 6-8 p.m.; Tuesday, 9-11 a.m.; Wednesday, 4-8 p.m.; Thursday, 2-8 p.m.; Friday, 9-11 a.m.; and Saturday, 9-11 a.m.