MARYLA]S'D GEOLOGICAI, SUKVEY O i 



McGee^ W J, Willi a:ms, G.. H., Willis, Bailey, and Darton, 

 IST. H. Geology of Washington and Vicinity. In Guide to Wash- 

 ington and its Scientific Institutions. Compte rendu, International 

 Congress of Geologists, 1891. 



House Misc. Doc, 53r(i Cong., 2n(i sess. vol. xiii, No. 107, pp. 219-251. 



Contains descriptions of physiographic and geologic features in the vicinity 

 of Washington and a general description of the entire Coastal Plain. 



Patterson, Harry J. Eeport of the Chemist. 

 3rd An. Rep. Md. Agri. Exper. Sta., College Park, 1891, pp. 118-129. 

 The analyses of eight samples of marls from Seat Pleasant are given. 



White, C. A. Correlation papers. Cretaceous. 

 Bull. U. S. Geol. Surv. No. 82, 1891, 273 pp., 3 pi.' 

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



Contains brief descriptions of the distribution and characteristics of the 

 marine and non-marine Cretaceous strata of the State. 



WooLMAN, Lewis. Artesian wells and water-bearing horizons 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., Rep't. State Geologist for 1890, Trenton, 1891, pp. 

 269-276. 



The diatomaceous earth bed outcropping in the vicinity of Nottingham is 

 mentioned. It is said to contain the diatom HeliopeUa. This bed is thought 

 to extend continuously from New Jersey to North Carolina. 



1892. 



Clark, Wm. B. The Surface Configurations of Maryland. 

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

 General summary of the physical features of the State. 



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



Bull. U. S. Geol. Surv. No. 84, 1892, 349 pp., 3 maps, 43 figures. 



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



Contains a full discussion of all the literature of the Miocene and Pliocene 

 of the United States published up to that time. Tentative correlations are 

 made. 



Patterson, PI. J. Report of the Chemist. 



4th An. Rep. Md. Agri. Exper. Sta., 1891, Annapolis, 1892, pp. 297-346. 

 Analyses are given of Eocene marls from Upper Marlboro, Seat Pleasant, 

 and T. B. and of a Cretaceous marl sample from Seat Pleasant. 



