. l.uc'.U.'Al. S 



C'.EOLOC.Y OF I.KA.'JVII.LE PI.XXXVl. 



Scaled mcli to 4- feet.or 



SECTION OF FURNACE SHOWING 

 ZONES OF TEMPERATURE 



Jiilius Bien \ Co lith 



SMKI.TKR G. 



S.K KnimotiM. Geologist -in - < l 



