The Nuttall Encyclopedia
A mountain with a level summit, which rises to the height of 3077 ft. on the N. side of the narrow Vale of Shechem, in Palestine, and from the slopes of which the people of Israel responded to the curses which were pronounced by the Levites in the valley.
Wood, James, ed. Entry for 'Ebal, Mount'. The Nuttall Encyclopedia. https://www.studylight.org/encyclopedias/eng/nut/e/ebal-mount.html. Frederick Warne & Co Ltd. London. 1900.