Spanish Civil War, 1937: soldiers digging and in trenches, aiming weapons, carrying wounded, corpse on ground

Pan soldiers in long trench aim rifles / CU Loyalist (Spanish Republican) soldiers in trench load weapons / Tilt down soldiers in trench aim rifles / VS men dig trenches / VS soldier carry wounded soldier on stretcher through trench into bunker / Tilt down soldiers march through trench in city, through fence and to tent, tall buildings in bkgd / MS dead man lying on ground next to wood debris / MS men walk crouched through trench, damaged building in bkgd / VS men carry wounded men in their arms in trench / CU men shoot rifles through stacked sandbags, bombed buildings in bkgd / Note: exact day not known