ArtworkBalboa Terminals. Dry Dock #1. Placing reinforcing steel for discharge culvert under pump houseSign in to saveUnidentified photographer — September 30, 1915 — Gelatin silver printArtwork · Museum of Modern ArtGelatin silver printArtistUnidentified photographerDateSeptember 30, 1915MediumGelatin silver printView at Museum of Modern Art · Open Access