MARYLAND GEOLOGICAL SURVEY 47 



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

 ginia and Maryland. 

 ► Bull. Geol. Soc. Amer., vol. li, 1S91, pp. 431-450, map, sections. 



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

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



LiNDENKOHL, A. Notes OH 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. 



McGee, W J The Lafayette Formation. 



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



WooLMAN, Lewis. Artesian wells and water-bearing Iiorizons of 

 Southern New Jersey (with a " note on the extension southward of 

 diatomaceous clays and the occurrence there of flowing artesian wells.") 



New Jersey Geol. Surv., Rept. State Geologist for 1890, 1891, pp. 269-276. 



1892. 

 Babb, Cyrus C. The Hydrography of the Potomac Basin. 

 Amer. Soc. Civ. Eng., vol. xxrii, 1892, pp. 21-33. 



Clark, Wji. B. The Surface Configuration of Maryland. 

 Monthly Rept. Md. State Weather Service, vol. ii, 1892, pp. 85-89. 



Dall, W. H., and Harris, G. D. Correlation Papers — Neocene. 



Bull. U. S. Geol. Surv. No. 84, 1892. 



House Misc. Doc, 52d Cong., 1st sess., vol. xliii. No. 337. 



Day, D. T. (Editor). Infusorial Earth. 



Mineral Resources U. S., 1889-90, Washington, 1892, p. 459. 



The statistics for the year are also given in the Eleventh Census. 



ScHARF, J. Thomas. The Natural Eesources and Advantages of 

 Maryland, being a complete description of all the counties of the State 

 and the City of Baltimore. Annapolis, 1892. 



1893. 

 Clark, W. B. Physical Features [of Maryland], pp. 11-54 of Mary- 

 land, its Resources, Industries and Institutions. Baltimore, 1893. 



Dale, Wm. H. Republication of Conrad's Fossils of the Medial 

 Tertiary of the United States. Phila., 1893. 



