Sanborn map, 1990s. Portion of sheet 916, showing location of SFPUC-owned sewer lot 3088/018. Planning Dept. Posted on 13 October 202213 October 2022 by Sunnyside History Sanborn map, 1990s. Portion of sheet 916, showing location of SFPUC-owned sewer lot 3088/018. Planning Dept. Published by Sunnyside History View all posts by Sunnyside History