A new directory that provides evaluative and comparative information on electronic databases worldwide in the fields of geography and geology, covering online, CD-ROM, magnetic tape, and diskette formats. The volume is actually two separate directories with a single unifying set of indexes. The first part, Geography, covers all aspects of the topic, including geophysics, cartography, maps and navigation; regional and urban studies, and demographic information, as well as databases dealing with property or real estate, surveying and planning. The second part includes all aspects of geology, including mineralogy, oceanography, and palaeontology as well as a separate section on mining and drilling. The records provide information on both the database itself and the data providers. Annotation copyright Book News, Inc. Portland, Or.