Wilna Wright

• Changes in Stratigraphic Nomenclature by the U.S. Geological Survey, 1967
• Changes in Stratigraphic Nomenclature by the U.S. Geological Survey, 1968
• Changes in Stratigraphic Nomenclature by the U.S. Geological Survey, 1970
• Changes in Stratigraphic Nomenclature by the U.S. Geological Survey, 1972
• Changes in Stratigraphic Nomenclature by the U.S. Geological Survey, 1973
• Changes in Stratigraphic Nomenclature by the U.S. Geological Survey, 1974
• Changes in Stratigraphic Nomenclature by the U.S. Geological Survey, 1975
• Changes in Stratigraphic Nomenclature by the U.S. Geological Survey, 1976
• Changes in Stratigraphic Nomenclature by the U.S. Geological Survey, 1977
• Changes in Stratigraphic Nomenclature by the U.S. Geological Survey, 1978
• Changes in Stratigraphic Nomenclature by the U.S. Geological Survey, 1979