152 Craigmillar and its Environs. 



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The Craigmillar district has long been held to be 

 one of the most favoured spots in Scotland, from a 

 geologist's point of view. Few places, indeed, offer 

 to the geologist so many advantages, and afford such 

 a varied field for his investigations. Within a radius 

 of a few miles from Craigmillar Castle a section of 

 the earth's crust can be had embracing a series of 

 rock groups from the Lower Silurian to the upper 

 members of the Carboniferous System. It will thus 

 be evident that before we could have such a rich field 

 of observation laid out before us, within so limited 

 an area, the various agencies that have contributed 

 to bring about such remarkable results must neces- 

 sarily have been of a gigantic kind. The neighbour- 



