From aerial survey to zoology, Part I of this two-part encyclopedia covers all aspects of underwater archeology, treasure hunting and salvaging. For example, en

Jeremy Green's systematic overview of maritime archaeology offers a step-by-step description of this fast-growing field. With new information about the use of c

 During ancient times currency took varied forms, including beaver skins, bales of tobacco, and sea salt blocks. As art and technology advanced, monetary sys

This source of information on comtemporary American reference works is intended for the library and information community. It has nearly 1600 descriptive and ev