page_title: Pier 70, San Francisco
hierarchical_section_title: Pier 70, San Francisco
caption_attribution_description: English: Aerial view of the Union Iron Works, San Francisco, California (USA), photographed during World War I, with four-piper destroyers under construction at the Risdon Iron Works in the lower right. Four submarines and one destroyer hull in dry-dock are at the piers in the center, along with some large merchant ships. Risdon, part of Union, is to the lower right of the ink line. 1: Cafeteria, 2: Store room, 3: Iron Foundry, 4: Brass Foundry, 5: Machine shop, 6: Pattern shop, 7: Erecting machine shop, 8: Administration building, 9: Power house, 10: office building, Government offices, 11: Blacksmith shop, 12: Bioler shop, 13: Joiner shop, 14: Joiner shop, annex with oil storage tanks underneath, 15: Warehouse and office building, 16: Pipe and copper shop, 17: Steel storage, 18: Plate shop, 19: Gate house, 20: Building slips 4&amp;5, 21: Building slips 1.2 &amp; 3, 22: Wharf #2, 23: Wharf #3, 24: Floating dock, capacity 2000 tons, 25: Floating dock, capacity 6500 tons, 26: Wharf #4, 27: Wharf #5, S: Storage space 2: Risdon Plant shown south and east of red lines: 1: Copper storage, 2: Oil tank, 3: Office building, 4: Office building, 5: Yarrow boiler shop, 6: Warehouse, 7: Power house, 8: Blacksmith shop, 9: Storehouse, 10: Sheet metal shop, 11: Sheet metal shop, 12: Marine machine shop, 13: Wharves, 14: Wharves, 15: Wharves.
context_page_description: Pier 70 in San Francisco, California, is a historic pier in San Francisco's Potrero Point neighborhood, home to the Union Iron Works and later to Bethlehem Shipbuilding. It was one of the largest industrial sites in San Francisco during the two World Wars. Today, it is regarded as the best preserved 19th century industrial complex west of the Mississippi.
context_section_description: Pier 70 in San Francisco, California, is a historic pier in San Francisco's Potrero Point neighborhood, home to the Union Iron Works and later to Bethlehem Shipbuilding. It was one of the largest industrial sites in San Francisco during the two World Wars. Today, it is regarded as the best preserved 19th century industrial complex west of the Mississippi.
caption: Pier area c. 1918, looking north.
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