322 CEMENTS, LIMES, AND PLASTERS. 



List of references on chalks and soft limestones. The following 

 papers deal largely with the chalky limestones of the United States. 

 For convenience of reference those which consider chiefly the origin and 

 structure of chalk are marked A ; those which describe its distribution in 

 certain States or areas are marked B. 



B. Branner, J. C. The cement materials of southwest Arkansas. Trans. 

 Am. Inst. Min. Engrs., vol. 27, pp. 42-63. 1898. 



A. Calvin, S. The Niobrara chalk. Proc. Amer. Assoc. Adv. Sci., vol. 43, 

 pp. 197-217. 1895. 



A. Calvin, S. Composition and origin of Iowa chalk. Reports Iowa Geolog- 

 ical Survey, vol. 3, pp. 211-236. 1895. 



A. Dawson, G. M Note on the occurrence of Foraminifera, etc., in the Creta- 



ceous rocks of Manitoba. Canadian Naturalist, vol. 7, no. 5. 1874. 



B. Eckel, E. C. Cement materials and cement industries of the United States. 



Bulletin 243, U. S. Geological Survey. 1905. 

 B. Hill, R. T. A brief description of the Cretaceous rocks of Texas and their 



economic value. 1st Ann. Report Texas Geological Survey, pp. 103- 



144. 1890. 

 A. B. Hill, R. T. Neozoic geology of southwestern Arkansas. Ann. Rep. 



Arkansas Geol. Survey for 1888, vol. 2. 



A. Hill, R. T. The foraminiferal origin of certain Cretaceous limestones. 



American Geologist, Sept., 1889. 



B. Smith, E. A Report on the geology of the Coastal Plain of Alabama. 



Report Alabama Geological Survey, 759 pp. 1894. 

 B. Smith, E. A. Alabama 's resources for the manufacture of Portland cement. 



Proc. Ala. Industrial and Scientific Society, vol. 5, pp. 44-51. 1895. 

 B. Smith, E. A. The cement resources of central and southern Alabama. 



Senate Document No. 19, 58th Congress, 1st session. 1903. 

 B. Smith, E.' A. Cement resources of Alabama. Bulletin 225, U. S. Geological 



Survey, pp. 424-447. 1904. 

 B. Smith, E. A. Cement resources of Alabama. Bulletin 8, Alabama 



Geological Survey. 12mo, 93 pp. 1904. 

 B. Taff, J. A. Chalk of southwestern Arkansas, with notes on its adaptability 



to the manufacture of hydraulic cement. 22d Ann. Rep. U. S. Geol. 



Survey, pt. 3, pp. 687-742. 1902. 

 A. Williston, S. W. Chalk from the Niobrara Cretaceous of Kansas. Science, 



vol. 16, p. 294. 1890. 

 A. Williston, S. W. On the structure of the Kansas chalk. Trans. Kansas 



Acad. Sci., vol. 12, p. 100. 1890. 



