306 



CEMENTS, LIMES, AND PLASTERS. 



per cent of the total cost of the cement will be chargeable to coal sup- 

 plies. 



6. Location with respect to markets. In order to secure an estab- 

 lished position in the trade, a new cement-plant should have (a) a local 

 market area, within which it may sell practically on a non-competitive 

 basis, and (6) easy access to a larger though competitive market area. 



All of these factors should receive due consideration in deciding on 

 the erection of a cement-plant. The summary just given is merely 

 in the nature of a preliminary note, for these points are taken up in 

 more detail in later chapters, particularly in those devoted to the vari- 

 ous raw materials and to the costs of manufacture. The prospecting, 

 examining, and sampling of deposits of limestones, marls, clays, and 

 shales will be taken up in the chapters immediately following. 



