BERDAN, J.M. - Brachiopoda and Ostracoda of the Cobleskill Limestone (Upper Silurian) of central New York.

1972. US Geological Survey Professional Paper 730; 47 pp. 9 fig./phot. 6 plts. with fossils h.t. (2 with brachiopods, 4 with ostracods). Orig. wrps. with libr. ticket in cormer of front cover, otherwise very good, 4to.