Description
Item Description:Title from title screen (viewed July 23, 2009).
Electronic resource.
Physical Description:xxi, 246 pages : illustrations ; 28 cm.
Format:Mode of access: Internet from the NPS web site. Address as of 07/23/09: http://www.nps.gov/history/history/online%5Fbooks/maritime/channel.pdf ; current access is available via PURL.
Bibliography:Includes bibliographical references (pages 237-240).