Page:The frozen North; an account of Arctic exploration for use in schools (IA frozennorthaccou00hort).pdf/179

 able to use many of the same igloos in returning, so that the labor of building them was avoided and the strength of the men economized. The plan of march resembled that of a relay race, with which all girls and boys are familiar.

From "Fighting the Polar Ice," copyright by Anthony Fiala.