Title Conquering the earth; an elaboration of the events, through the ages from stone hatchets to dynamite, upon which a series of historical advertisements was based.

Imprint

Wilmington, Del., Hercules powder company 1923.

Location	Call Number	Status
Monograph Collection	TN15 .H47 1923	AVAILABLE

Description	62 p. illus. 32 cm.
Note	"This edition is limited to five hundred copies."
Subject(s)	Mines and mineral resources -- History.
	Coal mines and mining -- History.
	Explosives -- History.