50 THE PLIOCENE AND PLEISTOCENE DEPOSITS OF MARYLAND 



1891. 



Clark, Wm. B. Correlation papers — Eocene. 

 Bull. U. S. Geol. Surv. No. 83, 1891. 

 House Misc. Doc, 52d Cong., 1st sess., vol. xx, No. 25. 

 (Abst.) Johns Hopkins Univ. Cir. No. 103, vol. xii, 1893, p. 50. 

 Gives section at Fort Washington, including Pleistocene materials. 



Eeport on the Scientific Expedition into Southern Maryland. 



[Geology; W. B. Clark. Agriculture; Milton Whitney. Archaeology; 



W. H. Holmes.] 



Johns Hopkins Univ. Cir. No. 89, vol. x, 1891, pp. 105-109. 

 Gives sections including Pleistocene materials. 



Darton, N. H. Mesozoic and Cenozoic Formations of Eastern Vir- 

 ginia and Maryland. 



Bull. Geol. Soc. Amer., vol. ii, 1891, pp. 431-450, map, sections. 



(Abst.) Amer. Geol., vol. viii, 1891, p. 185. 

 Amer. Nat., vol. xxv, 1891, p. 658. 



A general discussion of the different formations and their type localities, accompanied 

 by a geological map and sections. 



Lindeneohl, A. Notes on the submarine channel of the Hudson 

 river and other evidences of postglacial subsidence of the middle Atlantic 

 coast region. 



Amer. Jour. Sci., 3d ser., vol. xli, 1891, pp. 489-499, 18 plates. 



The arguments are based on submarine topography and bathymetric contours, and 

 embraces many hitherto unpublished facts which point to a subsidence since glacial time 

 of several hundred feet (Hudson), fifty feet (Havre de Grace), eleven feet (Georgetown). 



McGee, W J The Lafayette Formation. 



12th Ann. Rept. U. S. Geol. Surv., 1890-91, Washington, 1891, pp. 347-521. 



A monographic study introducing a description of the coastal plain and the typical 

 areas of the Lafayette ; a discussion of its synonymy and a development of the history 

 recorded in the formation. 



Geology of Washington and Vicinity. 



In Guide to Washington and its Scientific Institutions. 

 Compte rendu, International Congress of Geologists, 1891. 

 House Misc. Doc, 53d Cong., 2d sess., vol. xiii, No. 107. 



Prepared with the collaboration of G. H. Williams, N. H. Darton, and Bailey Willis. 

 Summary of the local geology. 



Whitney, Milton. Soil Investigations. 

 4th Ann. Rept. Md. Agri. Exper. Sta., College Park, pp. 249-296. 

 Many soils of Coastal Plain described and their relations to Columbia and Lafayette 

 deposits discussed. 



Williams, G. H. (Editor.) Guide to Baltimore, with an account of 

 the Geology of its environs and three maps. 



Brief reference to Coastal Plain deposits in vicinity of Baltimore, accompanied by 

 two geological maps showing distribution of Lafayette and Columbia formations in the 

 same region. 



