Photograph of an exterior view of a sewer maintenance yard at 109 South 18th Avenue, showing a Department of Public Works worker wearing a protective mask, ca.1930-1939. A worker wearing a protective mask and a helmet with headlamp stands in the left foreground, to the left of a wooden sewer yard gate. The gate bears a sign reading "City of Los Angeles Sewer Maintenance Yd. 109-S. Ave. 18. Dept of Public Works. Bureau of Engr". The workman's hand rests on a large metal aparratus that sits in front of the gate, extending from the left centerground to the right foreground. The apparatus has pulleys, a battery, and several hoses, and somewhat resembles a rowboat in shape and size. An automobile and a house covered in siding sit in the left background. Picture File Card reads "Department of Water and Power".