Photograph of steel beams being loaded on a truck, Los Angeles Harbor, September 17, 1930. Two large cranes can be seen, one at right and one at center, hoisting long steel beams onto the backs of a trucks. More beams can be seen stacked on the ground at left. A large cargo ship can be seen in the background at center. In the background at right, a very large warehouse building with large glass windows is visible. Compares to CHS-35842 and CHS-35841, which show the same scene.; Legible signs include, from left, "Progressive", "No. 25", "Berth 228 D-E", "City of Los Angeles, and "Williams Dimond & Company".