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G. D. Hanna
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Journal Article

The Age of the Diatom-Bearing Shales at Malaga Cove, Los Angeles County, California: DISCUSSION

G. D. Hanna
Published: 01 November 1928
AAPG Bulletin (1928) 12 (11): 1109–1111.
DOI: https://doi.org/10.1306/3D932829-16B1-11D7-8645000102C1865D
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Notes on the Age and Correlation of the Moreno Shale: GEOLOGICAL NOTES

J. A. Taff, G. D. Hanna
Published: 01 August 1926
AAPG Bulletin (1926) 10 (8): 812–814.
DOI: https://doi.org/10.1306/3D93273E-16B1-11D7-8645000102C1865D
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The Age and Correlation of the Kreyenhagen Shale in California

G. D. Hanna
Published: 01 September 1925
AAPG Bulletin (1925) 9 (6): 990–999.
DOI: https://doi.org/10.1306/3D9326E6-16B1-11D7-8645000102C1865D
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Correlation of Organic Shales in the Southern End of the San Joaquin Valley, California

E. G. Gaylord, G. D. Hanna
Published: 01 March 1925
AAPG Bulletin (1925) 9 (2): 228–234b.
DOI: https://doi.org/10.1306/3D9326B0-16B1-11D7-8645000102C1865D
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