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Construction Commenced:
April 1, 1915
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Construction Completed:
June 27, 1919
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Date of Transfer:
June 27, 1919
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Cost of Construction (1919)
$290,300
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Construction Materials:
Portland Concrete - Steel Reinforced
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- Gun Type and Manufacturer:
M1912 12" Mortar 15 Caliber - Watervliet
Ars.
- Carriage Type and Manufacturer:
M1896MIII Mortar Carriage - Watertown Ars.
- Total Weight of Each Gun:
82.5 Tons
- Radius of Fire:
360 Degrees
- Number of Guns Produced:
8 US (Fort MacArthur) 32 Territorial
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