National Geographic : 1929 May
THE NATIONAL GEOGRAPHIC MAGAZINE te W/P I Photograph by Francis Hi. Herrick AN OBSERVATION POST FOR STUDYING EAGLES AT HOME The 8o-foot steel tower was erected by Western Reserve University beside the eyrie of an American eagle at Vermilion, Ohio, in February, 1926. The platform was nine feet square and carried a specially designed tent that brought the observer's eye within 40 feet of the nest. The tree crashed in a storm May 18, 1926, and the young were killed by the fall (see text, pages 652 and 654, and illustrations, pages 641 and 642). 636 .' I>'