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BIBLIOGRAPHY OF 



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 Iowa, and Minnesota ; and incidentally of a portion of Ne- 

 braska Territory. Made under instructions from the United 

 States Treasury Department. Philadelphia, 1852. 4to. 

 (With an Atlas). (121 



Piddington (Henry). Examination and analysis of the Ball coal 

 of the Burdwan Mines. — Amer. Journ. Sc. 2d Ser. XIII. 

 1852, 118. (122 



Shumard (B. F.). Geological report of local detailed observations 

 in the valleys of the Minnesota, Mississippi, and Wisconsin 

 rivers, made in the years 1848 and 1849, under the direc- 

 tion of David Dale Owen.— Owen's Rep. 1852, 477. (123 



Silliman (B.). On the tertiary strata of Belgium and French 

 Flanders; by Sir Charles Lyell. (Quart. Journ. Geol. 

 Soc. L. VIII. 1852, 277).— Amer. Journ. Sc. 2d Ser. 

 XIV. 1852, 245. (124 



Silliman (B.). Gold in Australia. — Amer. Journ. Sc. 2d Ser. 



XIII. 1852, 118. (125 



Silliman (B.). The quader-formation of G-ermany. — Amer. Journ. 



Sc. 2d Sec. XIV. 1852, 424. (126 



Silliman (B.). Eruption from the summit of Mauna Loa, Hawaii. 



—Amer. Journ. Sc. 2d. Ser. XIV. 1852, 105. (127 



Silliman (B.) jr. An excursion on Etna. — Amer. Journ. Sc. 2d. 

 Ser. XIII. 1852, 178. (128 



Silliman (B.) jr. Geological notes. — Edinb. New Philos. Journ. 

 LH 1852, 1. (129 



Smith (J. Lawrence). On some of the thermal waters of Asia 

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Smith (J. Lawrence). On the geology and general character of the 

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