THE "BIG BERTHA" EMPLACEMENT.

All that is left of an emplacement of the "Grosse Bertha," one of the guns in the St. Gobain Forest between La Fère and Laon, which shelled Paris from a distance of about seventy-four miles.

PLATE LXXV.

THE ST. GOBAIN FOREST.

The St. Gobain Forest was in German hands throughout the war; the photograph shows a German O.P. in a tall tree on high ground which would command the Oise valley in the direction of Chauny.

PLATE LXXVI.