Scientific and technical, spatial, and bibliographic data bases of the U.S. Geological survey.

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Bibliographic Details
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Corporate Author:	Geological Survey (U.S.). Office of the Data Base Administrator
Format:	Government Document Serial
Language:	English
Published:	Arlington, Va. : Dept. of the Interior, Geological Survey.
Series:	Geological Survey circular ; 817.
Subjects:	Information storage and retrieval systems > Directories. Geological Survey (U.S.) > Directories.

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