At midnight on July 14-15 the Germans opened along the entire front east of Rheims with a terriffic artillery bombardment. ... One shot after another lands among the fine troops. ... Under this preparation and assisted by a smoke screen and fog the Germans started crossing the Marne on boats and on pontoon bridges.
|Title||:||Field Artillery Manual|
|Author||:||Arthur Riehl Wilson, Robert Melville Danford|