A survey of the Harriett at Purton /
author, Alaina Schurr; participants, Nigel Braybrooke, Chuck Birdsall, Joe Kinney, Hannah Lawson, & Christine Williams; supervised by Dr. Mark Holley, Ian Cundy, and Bill Turner.
- 58 pages : color illustrations, maps, charts ; 28 cm.
- NAS 2 Research Projects .