STATE GEOLOGIST. 9 



gala bordering on Lakes Michigan and Huron, followed by a 

 :. >ne and I the Southern 



Pcnih- the Upper Peninsula 



1 under the two heads Primary and S ky. Tlio 



Livided into Lower Limarock and ffhs ite, and 



2. Topography, by S, W, Biggins, IS pp. 



0, Doug - I pp., contain 



B irks on the counties of Jackson, Calhoun, Kalani 



la and Kent," with considerable detail on the rocks 

 of the coal measures, which are divided into "Upper" and 

 "Lower Coal Groi 



4. Geology, by B. Bui bard, 35 pp. containi: rts <>n Len- 



awee, llillsda; .., Washb 



Oakland and Livingston Counties, and en brs rnatio 



description of the various formation | products 



' of the "Ancient Lak ." and 



avaenous practice the use of Peal and Marl. 



A Committee of the House of Representatives reported on the 



reports of Geologist, at this session of the Legislature,* 



and t:. and Botanical portions of the acteitablishing 



e repealed. On the 28th of March, an act was 



passed relative to the maps of the State and Counties. 



The Fourth Annual Rqyorl of the State Geologist was pre- 

 i February I, 1841. This Report embraced the following 

 documei 



1. Geology, by Dr. Houghton, 89 pp. This was devoted to a 

 description of the Topography, Geology and Mineralogy of the 

 count' ring on Lake Superior. The classification of the 

 rocks will be embraced in the table which follows. The l 

 crabr.i mission of the Mineral Veins of the 



\c., v and concludes with notices of the 

 u Vu ors of Lake Supei 



2. I. im Ma wana Vaki.itioxs, by Frederick Hubbard, 

 Special it, f* pp. 



■Uouje Due. 1&40, Vul. II. r . 4M 



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