Image
Description
This sepia-toned, oval-shaped photograph depicts a long, low wooden trestle bridge spanning a shallow, dry slough in a flat landscape. The bridge features a complex network of diagonal and vertical timber supports forming several spans. On the left side of the trestle, a small, dark rectangular structure or platform is visible, and several people in 19th-century attire are positioned along the top rail of the bridge and the adjacent flat ground. The surrounding terrain is barren with sparse, low-lying vegetation under a pale, clear sky. In the upper center of the image, the capitalized text "YOLO BASE LINE." is printed on the mounting board. To the left of the oval photograph, a vertical grayscale color calibration strip