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  Harbor Forts : Maps and Plans

  Harbor Defenses of Portland

  Includes schematic drawings of batteries (1945), Maps of Peaks Island (1929-1935), Locations of Elements, among Casco Bay islands, and printed drawings of Battery 206 (1987).

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  Harbor Forts : Articles.

  Portland Evening Express and Frank Sleeper

  "Gun Batteries At Peaks Traced to World War II," article by Frank Sleeper, published in the Portland Evening Express 10 Oct 1975.

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  Harbor Forts : Essays

  Joel W. Eastman

  Written/Compiled by Dr. Joel W. Eastman, University of Southern Maine.
  
  - The Navy in Casco Bay During World War II.
  - Portland Goes to War.
  - South Portland Shipbuilding Corp., 1940 - 1945.
  - World War II Harbor Defenses on Peaks Island.
  - Fort Gorges.
  - Ca. 1942 Supplement to 1928 Ordnance Inventory.
  - Casco Bay During World War II : Recommended Reading.

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  Harbor Forts : Battery Steele & Preservation.

  Battery Steele Committee, Peaks Island

  Includes:

  - The Peaks Island Military Reservation : 1942 - 1946. (leaflet, 1996)
  - Battery Steele Public Meeting, 13 Jan 1993.
  - Battery Steele Public Meeting, 10 Feb 1993.
  - Vision Statement of the Ad-Hoc Committee on Battery Steele.
  - Peaks Island Land Preserve leaflet, 1995, with description of Battery Steele.