Photograph of aerial view of flood in Azusa, showing damage of San Gabriel Railroad Bridge over a river, California, 1938. In the background at center, a long railroad bridge consisting of two sets of tracks can be seen extending from left to right. The bridge crosses a large river flowing from the mid-right to the bottom-left of the image. Arched supports beneath the bridge can be seen holding sections of it above the water. Near the left bank of the river, a section of four arches has collapsed causing the bridge to sink to the water's level. To the far right of the bridge, sections of dirt and vegetation can be seen along the river. In the extreme background at left, lines of shrubs and vegetation can be seen. Photoprint reads: "This pho...