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Marls and limestones of eastern North Carolina
E. Willard Berry · North Carolina, Department of Conservation and Development, Division of Mineral Resources
16 sayfa · 1947
Marl / Mines and mineral resources / Limestone
Pamlico fossil echinoids
E. Willard Berry · Smithsonian Institution, U. S. National Museum
268 sayfa · 1941
Sea urchins, Fossil / Fossil Sea urchins