Calcareous Foraminifera in the Brownwood shale near Bridgeport, Texas,
by Helen Jeanne Plummer. Foraminifera of the Cisco group of Texas, by J. A. Cushman and J. A. Waters, Bureau of Economic Geology.

APA Citation

Plummer, H. Jeanne., Waters, J. A. (James Alton)., Cushman, J. A. (Joseph Augustine)., University of Texas. Bureau of Economic Geology and Technology. (1930). Calcareous Foraminifera in the Brownwood shale near Bridgeport, Texas. Austin, Tex..

MLA Citation

Plummer, Helen Jeanne, J. A. (James Alton) Waters, Joseph A. (Joseph Augustine) Cushman, and University of Texas. Bureau of Economic Geology and Technology. Calcareous Foraminifera In the Brownwood Shale Near Bridgeport, Texas. Austin, Tex., 1930.