The fauna of the Pottsville formation of Ohio below the Lower Mercer limestone
By: by Helen Morningstar.
Publisher: s.n.
Published: 1922
Place of publication: [S.l
Language: eng
Number of pages: 92
Subjects: Paleontology -- Ohio.
Other titles: Pottsville formation.
Notes: Originally presented as thesis (Ph. D.)--Bryn Mawr College, 1921.