[Republican soldier hiding behind rocks during battle, Rio Segre, Aragón Front, near Fraga, Spain]

[Republican soldier hiding behind rocks during battle, Rio Segre, Aragón Front, near Fraga, Spain]

[Republican soldier hiding behind rocks during battle, Rio Segre, Aragón Front, near Fraga, Spain]

[Republican soldiers in cloud of dust, Rio Segre, Aragón front, near Fraga, Spain]

[Treating the wounded Republican soldiers, Rio Segre, Aragón front, near Fraga, Spain]

[Republican phone call to command, Rio Segre, Aragón front, near Fraga, Spain]

[Republican soldiers running, Rio Segre, Aragón front, near Fraga, Spain]

[The battalion's political commissar and commander, Rio Segre, Aragón front, near Fraga, Spain]

[Discussion and telephone call to army command, Rio Segre, Aragón front, near Fraga, Spain]

[Republican soldiers, Rio Segre, Aragón front, near Fraga, Spain]

[Two Republican soldiers carrying a stretcher, Rio Segre, Aragón front, near Fraga, Spain]

[Republican soldiers riding mules, Rio Segre, Aragón front, near Fraga, Spain]

[Soldiers with donkeys transporting munitions over a wooden bridge, Río Segre, Aragón front, near Fraga, Spain]

[Republican soldiers, Rio Segre, Aragón front, near Fraga, Spain]

[Republican soldiers listening to their commander give a speech, Rio Segre, Aragón front, near Fraga, Spain]

[Republican soldiers training, Rio Segre, Aragón front, near Fraga, Spain]

[Republican soldiers training, Rio Segre, Aragón front, near Fraga, Spain]

[Republican soldiers carrying spools of wire uphill, Rio Segre, Aragón front, near Fraga, Spain]

[Republican soldiers running uphill, Rio Segre, Aragón front, near Fraga, Spain]

[Republican soldiers helping injured comrade through the mountainside, Rio Segre, Aragón front, near Fraga, Spain]

[Republican soldiers running with spools of wire, Rio Segre, Aragón front, near Fraga, Spain]

[Republican soldiers laying in trenches, Rio Segre, Aragón front, near Fraga, Spain]

[Republican soldiers in crevices, Rio Segre, Aragón front, near Fraga, Spain]

[Republican soldiers in crevices, Rio Segre, Aragón front, near Fraga, Spain]