"The island in the mouth of junction of the Euphrates and Tigris. The depot of the Anglo-Persian Oil Company. Oil fuel was of utmost necessity for the Mesopotamian river traffic in the advance on Baghdad." image: A view of the Anglo-Persian Oil Company depot from the river at the junction of the Euphrates and Tigris. A dhow sails across the river in the foreground. Clouds of dark smoke rise up into the sky from the chimneys at the depot.