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zinc, lead. etc. , to serve as a theoretical basis for the 

 study of the ores ; the other series is to follow the 

 usual method of classification according to the acidic 

 element contained. 



Series illustrating the occurrence and formation of 

 minerals. 



Series illustrating the formation rocks. 



Classification series of rocks. 



Series showing by models the form of the earth, 

 etc., including relief maps of the types of topography, 

 and series illustrating the derivation and development 

 of those forms. 



Series illustrating, by means of charts, models, 

 photographs, etc., the way the rocks lie in the earth; 

 in brief, illustrating what is commonly called struc- 

 tural Geology. 



Charts showing the distribution of the land and 

 water surfaces of the earth at different geological 

 periods. 



A series of rocks illustrating the typical character 

 of described rocks at type localities. 



Upright cases containing samples of the borings 

 made at Charleston, so arranged as to show at a 

 glance the depth of any sample and the geological 

 formation to which it belongs. 



A series showing the types of fossils characteristic 

 of the different geological ages, periods, etc. 





