PREFACE 



This volunio is the fourtli of a series of repoi'ts doalinir with tlio ])liysi- 

 cal features of the several counties of Maryland. 



The Introduction contains a brief staleinent regarding the location 

 and boundaries of Calvert County together with its chief physical cliar- 

 acteristics. 



The Physiography of Calvert County, by George B. Shattuek. coin- 

 prises a discussion of the surface characteristics of the county, together 

 with a description both of the topographic forms and of the agencies 

 which have produced them. A fuller discussion of tliis subject has l)een 

 presented by Dr. Shattuek in his report on the Pliocene and Pleistocene 

 deposits of Maryland. 



The Geology of Calvert County, by George B. Shattuek, deals with 

 the stratigraphy and sti'ucture of the county. An historical sketch is 

 given of the work done hv others in this Held to which is appended a 

 complete bibliography, ^iany sti-atigraj)hii'al details are presented, ac- 

 companied by local sections. 



The Mineral Resources of Calvert County, by Benjamin L. Miller, 

 deals with the economic possibilities of tlie various geological deposits 

 of the county. Those which have been hitherto employed are fully dis- 

 cussed, and suggestions are madc^ regarding tlie cinploymcnt of others 

 not yet utilized. 



Till' Soils of Calvert County, by .lay A. Bonsteel and K. T. Avon 

 Burke, contains a discussion of ilic leading soil types of the county and 

 their relation to the several geological I'ornuitions. This investigation 

 was conducted imder the direct supervision of Professor Milton Whit- 

 ney, Director of the Bureau of Soils of the U. S. Department of Agri- 

 culture. 



The Climate of Calvert County., by C. F. von Herrmann, is an impor- 

 tant contribution to the studv of the climatic features of the county. 



