M VHYLAXD GEOLOGICAL SLRVEY 39 



BIBLIOGRAPHY, 



Containing References to the Geology and Economic "Resources of 



Calvert County. 



1624. 

 Smith, Johx. A Generall Historic of Virginia, New Englanrl, and 

 the Summer Isles, etc. London. 16"34. [Several editions.] 



(Repub.) The True Travels, Adventures and Observations of Captaine 

 lohn Smith in Europe, Asia. Afrilva, and America, etc. Richmond, 1819, 2 

 vols. — from London edition of 1629. 



Pinkerton's Voyages and Travels, vol. 13, 4to, London, 1812, pp. 1-253 — 

 from London edition of 1624. 



Eng. Scholars Library No. 16. (For bibliography of Smith's works and 

 their republication, see pp. cxxx-cxxxii.) 



1807. 

 Scott, Joseph. A Geographical description of the states of Mary- 

 land and Delaware. Phila., Kimber, Conrad & Co., 1807. 



1809. 



^Maclure, Wm. Observations on the Geology of the Unitted States, 

 explanatory of a Geological Map. (Eead Jan. 20, 1809.) 

 Trans. Amer. Phil. Soc, o. s. vol. vi, 1809, pp. 411-428. 



Maclure, Wm. Observations sur la Geologic des Etats-Unis, sur- 

 vant a expliquer une Carte Geologique. 



Journ. de phys., de chim. et d'hist. nat., tome Ixix, 1809, pp. 204-213. 



1811. 



Maclure, Wm. Suite des ob.servations sur la Geologic des Etats- 

 Unis. 



Journ. de phys., de chim. et d'hist. nat., tome Ixxii, 1811, pp. 137-165. 



1817. 



]\Iaclure, Wm. Observations on the Geology of the United States 

 of America, with some remarks on the effect produced on the nature 

 and fertility of soils by the decomposition of the different classes of 

 rocks. With two plates. 12mo. Phila., 1817. 



