Read it through once

Signs and scars still remain, as reminders of Vicksburg's tremendous war experiences; earthworks, trees crippled by the cannon balls, cave-refuges in the clay precipices, etc. The caves did good service during the six weeks' bombardment of the city--May 8 to July 4, 1863. They were used by the non-combatants--mainly by the women and children; not to live in constantly, but to fly to for safety on occasion. They were mere holes, tunnels, driven into the perpendicular clay bank, then branched Y shape, within the hill. Life in Vicksburg, during the six weeks was perhaps--but wait; here are some materials out of which to reproduce it:--