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Geology topics

Margaret S. Griffin

Publications and source records attributed to Margaret S. Griffin.

4 recordsLinked to original sources

USGS1969

Reports and maps of the Geological Survey released only in the open files, 1968

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USGS1968

Reports and maps of the Geological Survey released only in the open files, 1967

Explore the source record for details and available documents.

Circular↗

USGS1967

Reports and maps of the Geological Survey released only in the open files, 1966

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Circular↗

USGS1964

Reports and maps of the Geological Survey released only in the open files, 1963

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Circular↗