During the past century, scientists, world statesmen, and international entrepreneurs have become increasingly aware of the potential of the oceans as a source of minerals. This book provides an authoritative picture of the current state of marine mineral extraction. A major work of reference, it will be essential reading for both those engaged in maritime studies and for professional organisations involved in the extraction of underwater minerals.

An essential reference book for every collector and researcher of American seashells, Encyclopedia of Texas Seashells is a complete sourcebook and up-to-date identification guide, covering an unprecedented nine hundred species of seashells and mollusks that reside in the marine habitats of the Gulf of Mexico. Special features: Illustrated guide to the general features of mollusks Family overviews Descriptions of deep-water, tropical, coral reef, and bank species Information boxes on notable species Assemblage photos of dominant species in primary Texas habitatsChecklist and glossary This reference contains 987 detailed and data-rich color images for even the tiniest shells, a valuable primer on shell collecting as a hobby, and a wealth of entries on the history of use and study, habitats and ecology, shell characteristics, distribution, biology, and identification. Covering species that range from Florida to South America, the Encyclopedia of Texas Seashells will also be a valuable resource for anyone interested in seashells of the Western Atlantic.