carte d'état-major, miliiary map
31. Basse Alsace, Northern Alsace, which indudes Strassburg and the surrounding territory.
158. 12. Schirmeck, about twenty-seven miles, by railroad, Southwest of Strassburg, and about five miles from the French border. — Russ-Hersbach, about two miles northeast of Schirmeck.
17. Grand Fontaine, about four and one half miles west and north of Schirmeck. (For the plan in greater détail see page 169.)