PREFACE 



This volume is the fifth of a series of reports dealing with the physi- 

 cal features of the several counties of Maryland. 



The Introduction contains a brief statement regarding the location 

 and boundaries of St. Mary-'s County together with its chief physical 

 characteristics. 



The Physiography of St. Mary's County, by George B. Shattuck, com- 

 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 this subject has been 

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

 deposits of Maryland. 



The Geology of St. Mary's County, by George B. Shattuck, deals with 

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

 given of the work done by others in this field to which is appended a 

 complete bibliography. Many stratigraphical details are presented, ac- 

 companied by local sections. 



The Economic Resources of St. Mary's Cotinty, by Benjamin L. ]\Iiller, 

 deals with the economic possibilities of the various geological deposits 

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

 cussed, and suggestions are made regarding the employment of others 

 not yet utilized. 



The Soils of St. Mary's County, by Jay A. Bonsteel, contains a discus- 

 sion of the leading soil types of the county and their relation to the sev- 

 eral geological formations. This investigation was conducted under the 

 direct supervision of Professor Milton Whitney, Director of the Bureau 

 of Soils of the U. S. Department of Agriculture. 



The Climate of St. jlfary's County, by C. F. von Herrmann, is an impor- 

 tant contribution to the study of the climatic features of the count)^ 

 Mr. von Herrmann is Section Director in Baltimore of the U. S. Weather 



