Excerpt from Artillery Operations of the Ninth British Corps at Messines, June, 1917 Systematic trench bombardment and wire cutting was commenced about May 21,

This work has been selected by scholars as being culturally important and is part of the knowledge base of civilization as we know it. This work is in the publi

This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was reproduced