(027952) Casey, S. Russell. Precept For Benthic Exploration And Exploitation. Dallas, TX: University Computing Company, 1968. Limited Ed.. Hardcover. Thin 8vo. 89 pages. Fine in Very Good DJ. Color maps. Signed by Author. This copy is number 58 of a limited edition of 1000 copies, signed by the author. This book deals comprehensively with the total development of the concept of the continental shelf doctrine currently agreed to by the community of nations at Geneva in 1958-60. (Continental Shelf)