PART I CHAZYAN AND RELATED BRACHIOPODS—COOPER 1009 
Cooper, B. N. 
1944. Geology and mineral resources of the Burkes Garden Quadrangle, Virginia. Vir- 
ginia Geol. Surv. Bull. 60, pp. 34-109. 
1945a. The Stones River equivalents in the Appalachian region. Journ. Geol., vol. 53, 
No. 4, pp. 262-275. 
1945b. Industrial limestones and dolomites in Virginia: Clinch Valley district. Virginia 
Geol. Surv. Bull. 66, pp. 42-68, 133, 137. 
Cooper, B. N., and Cooper, G. A. 
1946. Lower Middle Ordovician stratigraphy of the Shenandoah Valley, Virginia. Bull. 
Geol. Soc. Amer., vol. 57, pp. 35-114. 
Cooper, B. N., and Prouty, C. E. 
1943. Stratigraphy of the lower Middle Ordovician of Tazewell County, Virginia. Bull. 
Geol. Soc. Amer., vol. 54, No. 6, pp. 819-886. 
Cooper, G. A. 
1930. The brachiopod Pionodema and its homeomorphs. Journ. Paleont., vol. 4, No. 4, 
PP. 369-382. 
1935. Oligorhynchia, a new Ordovician (Chazy) brachiopod. Amer. Journ. Sci., ser. 5, 
vol. 29, No. 169, pp. 48-53, 1 pl. 
1940. Collecting Ordovician fossils in the Southern Appalachians. Expl. and Field- 
work of the Smithsonian Inst., 1939, pp. 15-20. 
1942. New genera of North American brachiopods, Journ. Washington Acad. Sci., 
vol. 32, No. 8, pp. 228-235. 
1944. In Shimer, H. W., and Shrock, R. R., Index fossils of North America, pp. 277- 
365. New York. 
1952. New and unusual species of brachiopods from the Arbuckle group in Oklahoma. 
Smithsonian Misc. Coll., vol. 117, No. 14, pp. 1-35. 
Cooper, G. A., and WuitTcoms, L. 
1933. Salonia, a new Ordovician brachiopod genus. Journ. Washington Acad. Sci., 
vol. 23, No. 11, pp. 496-503. 
Crate, L. C. 
1949. Lower Middle Ordovician of south-central Pennsylvania, Bull. Geol. Soc. Amer., 
vol. 60, pp. 707-779. 
CuLt.ison, J. S. 
1938. Dutchtown fauna of southeastern Missouri. Journ. Paleont., vol. 12, No. 3, 
Pp. 219-228. 
CusHING, H. P. 
1905. Geology of the northern Adriondack region. New York State Mus. Bull. 95, 
PP. 354-412. 
1908. Lower portion of the Paleozoic section in northwestern New York. Bull. Geol. 
Soc. Amer., vol. 19, pp. 155-176. 
1911. Nomenclature of the Lower Paleozoic rocks of New York. Amer. Journ. Sci., 
ser. 4, vol. 31, No. 182, pp. 135-145. 
CusHING, H. P., and RuEDEMANN, R. 
1914. Geology of Saratoga Springs and vicinity. New York State Mus. Bull. 160, 
pp. 45-48. 
DakgE, C. L. 
1921. The problem of the St. Peter sandstone. Bull. Missouri Univ. School of Mines 
and Metal., Techn. ser., vol, 6, No. 1. 
DatMan, J. W. 
1828. Uppstallning och Beskrifning af de i Sverige funne Terebratuliter. K. Svenska 
Vet.-Akad. Handl. for 1827, pp. 85-155. 
Darton, N. H. 
1894. Geologic Atlas U. S., Staunton, Virginia-West Virginia, Folio 14. 
