Pinetree Line
RCAF Gap Fillers


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  1. Gap Filler Installations - 21 December 1960.
    Courtesy National Archives of Canada.

  2. Design Criteria: Power Equipment - 19 December 1960.
    Courtesy National Archives of Canada.

  3. Electrical Requirements - 16 December 1960.
    Courtesy National Archives of Canada.

  4. Location of Gap Filler Sites - 9 December 1960.
    Courtesy National Archives of Canada.

  5. Minute Sheet - 9 December 1960.
    Courtesy National Archives of Canada.

  6. Design Criteria - 30 November 1960.
    Courtesy National Archives of Canada.

  7. Cancellation of Reservations - 29 November 1960.
    Courtesy National Archives of Canada.

  8. Preparation of Construction Drawings - 28 November 1960.
    Courtesy National Archives of Canada.

  9. Gap Filler Construction: CADIN Programme - 25 November 1960.
    Courtesy National Archives of Canada.

  10. Design Briefing: Gap Filler Radar Stations Western Quebec - 21 November 1960.
    Courtesy National Archives of Canada.

  11. Design Briefing: Gap Filler Radar Stations Maritimes - 21 November 1960.
    Courtesy National Archives of Canada.

  12. Design Briefing: Gap Filler Radar Stations Eastern Quebec - 21 November 1960.
    Courtesy National Archives of Canada.

  13. Design Criteria - 18 November 1960.
    Courtesy National Archives of Canada.

  14. Gap Filler Construction: CADIN Programme - 17 November 1960.
    Courtesy National Archives of Canada.

  15. Gap Filler Construction: CADIN Programme - 17 November 1960.
    Courtesy National Archives of Canada.

  16. Design Criteria - 7 November 1960.
    Courtesy National Archives of Canada.

  17. Granting ofProperty Rights - 2 November 1960.
    Courtesy National Archives of Canada.

  18. Final Field Survey - 26 October 1960.
    Courtesy National Archives of Canada.

  19. Design Criteria for Radar Building & Towers - 26 October 1960.
    Courtesy National Archives of Canada.

  20. Design Criteria - 14 October 1960.
    Courtesy National Archives of Canada.

  21. Buildings & Tower Foundations: Gap Filler Radar Stations - 14 October 1960.
    Courtesy National Archives of Canada.

  22. Appendix "A" to Buildings & Tower Foundations - 14 October 1960.
    Courtesy National Archives of Canada.

  23. Extract of Meeting - 1 October 1960.
    Courtesy National Archives of Canada.

  24. Construction of Gap Filler Radar Stations - 29 September 1960.
    Courtesy National Archives of Canada.

  25. Gap Filler Construction: CADIN Programme - 19 September 1960.
    Courtesy National Archives of Canada.

  26. Pinetree Extension: Gap Filler Radar Stations - 7 July 1960.
    Courtesy National Archives of Canada.

  27. FPS-63 Radar - 5 July 1960.
    Courtesy National Archives of Canada.

  28. Gap Filler Radar Stations: Telecommunications Equipment Layout - 30 June 1960.
    Courtesy National Archives of Canada.

  29. Gap Filler Radar Stations - 15 June 1960.
    Courtesy National Archives of Canada.

  30. Pinetree Extension: Gap Filler Radar Stations - 10 June 1960.
    Courtesy National Archives of Canada.

  31. Field Survey Reports - 3 June 1960.
    Courtesy National Archives of Canada.

  32. Proposed Relocation of Gap Filler Radar Stations - 31 May 1960.
    Courtesy National Archives of Canada.

  33. Gap Filler Radar Stations - 27 May 1960.
    Courtesy National Archives of Canada.

  34. Forestry Towers in Northern Ontario - 25 May 1960.
    Courtesy National Archives of Canada.

  35. Progress Reports: Gap Filler Radar Stations Northern Ontario - 17 May 1960.
    Courtesy National Archives of Canada.

  36. Gap Filler Stations: London (Relocated) - 17 May 1960.
    Courtesy National Archives of Canada.

  37. Minute Sheet - 16 May 1960.
    Courtesy National Archives of Canada.

  38. Progress Reports: Gap Filler Radar Stations - 11 May 1960.
    Courtesy National Archives of Canada.

  39. Forest Fire Protection - 4 May 1960.
    Courtesy National Archives of Canada.

  40. Access Roads in Northern Ontario - 28 April 1960.
    Courtesy National Archives of Canada.

  41. Gap Filler Stations: London (Relocated) - 25 April 1960
    Courtesy National Archives of Canada.

  42. Sketch of London (Relocated) - 25 April 1960.
    Courtesy National Archives of Canada.

  43. Forestry Towers in Northern Ontario - 22 March 1960.
    Courtesy National Archives of Canada.

  44. Azimuth & Reference Lines - 16 March 1960.
    Courtesy National Archives of Canada.

  45. Forestry Towers & Radio Communications - 16 March 1960.
    Courtesy National Archives of Canada.

  46. Forestry Towers in Northern Ontario - 14 March 1960.
    Courtesy National Archives of Canada.

  47. Gap Filler Radar Stations - 11 March 1960.
    Courtesy National Archives of Canada.

  48. Field Survey Reports: Gap Filler Radar Stations Western Quebec - 9 March 1960.
    Courtesy National Archives of Canada.

  49. Progress Chart: Northwestern Ontario - 29 February 1960.
    Courtesy National Archives of Canada.

  50. CADIN Gap Filler Buildings - 26 February 1960.
    Courtesy National Archives of Canada.

  51. Gap Filler Stations: Northeastern Ontario - 24 February 1960.
    Courtesy National Archives of Canada.

  52. Maritime Gap Filler Sites - 23 February 1960.
    Courtesy National Archives of Canada.

  53. Topographical Maps - 17 February 1960.
    Courtesy National Archives of Canada.

  54. Tower Detection System - 16 February 1960.
    Courtesy National Archives of Canada.

  55. Tower Detection System: Swastika District - 16 February 1960.
    Courtesy National Archives of Canada.

  56. Tower Detection System: Chapleau District - 16 February 1960.
    Courtesy National Archives of Canada.

  57. Tower Detection System: Sudbury District - 16 February 1960.
    Courtesy National Archives of Canada.

  58. Tower Detection System: Kapuskasing District - 16 February 1960.
    Courtesy National Archives of Canada.

  59. Tower Detection System: North Bay District - 16 February 1960.
    Courtesy National Archives of Canada.

  60. Tower Detection System: White River District - 16 February 1960.
    Courtesy National Archives of Canada.

  61. Tower Detection System: Sault Ste. Marie District - 16 February 1960.
    Courtesy National Archives of Canada.

  62. Tower Detection System: Fort Frances District - 16 February 1960.
    Courtesy National Archives of Canada.

  63. Tower Detection System: Kenora District - 16 February 1960.
    Courtesy National Archives of Canada.

  64. Tower Detection System: Gogama District - 16 February 1960.
    Courtesy National Archives of Canada.

  65. Tower Detection System: Cochrane District - 16 February 1960.
    Courtesy National Archives of Canada.

  66. Tower Detection System: Gerladton District - 16 February 1960.
    Courtesy National Archives of Canada.

  67. Tower Detection System: Sioux Lookout District - 16 February 1960.
    Courtesy National Archives of Canada.

  68. Tower Detection System: Parry Sound & Pembroke District - 16 February 1960.
    Courtesy National Archives of Canada.

  69. Tower Detection System: Port Arthur District - 16 February 1960.
    Courtesy National Archives of Canada.

  70. Forestry Towers in Northen Ontario - 15 February 1960.
    Courtesy National Archives of Canada.

  71. Gap Filler Stations: London (Relocated) - 15 February 1960
    Courtesy National Archives of Canada.

  72. Progress Report No. 4 - 12 February 1960.
    Courtesy National Archives of Canada.

  73. Field Survey: London (Relocated) - 11 February 1960
    Courtesy National Archives of Canada.

  74. Forestry Towers in Northern Ontario - 9 February 1960.
    Courtesy National Archives of Canada.

  75. Topographical maps in Northern Ontario - 8 February 1960.
    Courtesy National Archives of Canada.

  76. Department of Lands & Forests - 8 February 1960.
    Courtesy National Archives of Canada.

  77. Gap Filler Stations: London (Relocated) - 4 February 1960
    Courtesy National Archives of Canada.

  78. Gap Filler Radar Stations - 3 February 1961.
    Courtesy National Archives of Canada.

  79. Surveys: Gap Filler Sites - 2 February 1960.
    Courtesy National Archives of Canada.

  80. Forestry Towers - 1 February 1961.
    Courtesy National Archives of Canada.

  81. Progress Chert: Northwestern Ontario - 31 January 1960.
    Courtesy National Archives of Canada.

  82. CADIN Buildings - 15 January 1960.
    Courtesy National Archives of Canada.

  83. Gap Filler: Field Survey - 20 January 1960.
    Courtesy National Archives of Canada.

  84. Field Surveys - 19 January 1960.
    Courtesy National Archives of Canada.

  85. Field Survey Requirements - 19 January 1960.
    Courtesy National Archives of Canada.

  86. Gap Filler: Field Survey - 14 January 1960.
    Courtesy National Archives of Canada.

  87. Gap Filler Costing - 13 January 1960.
    Courtesy National Archives of Canada.

  88. Progress Statement - 13 January 1960.
    Courtesy National Archives of Canada.

  89. Progress Statement: Gap Filler Radar Stations Western Quebec - 13 January 1960.
    Courtesy National Archives of Canada.

  90. Gap Filler Radar Stations: Southern Ontario - 13 January 1960.
    Courtesy National Archives of Canada.

  91. Field Surveys - 13 January 1960.
    Courtesy National Archives of Canada.

  92. Progress Statement: Gap Filler Radar Stations Northeastern Ontario - 12 January 1960.
    Courtesy National Archives of Canada.

  93. Fire Towers in Northern Ontario - 12 January 1960.
    Courtesy National Archives of Canada.

  94. Progress Statement: Gap Filler Radar Stations E Quebec - 11 January 1960.
    Courtesy National Archives of Canada.

  95. Western Radar Gap Fillers - 11 January 1960.
    Courtesy National Archives of Canada.

  96. Field Surveys: Gap Filler Radar Stations - 8 January 1960.
    Courtesy National Archives of Canada.

  97. Gap Filler Costing - 8 January 1960.
    Courtesy National Archives of Canada.

  98. Gap Filler Facility: Tower - 8 January 1960.
    Courtesy National Archives of Canada.

  99. Permission for Field Survey - 7 January 1960.
    Courtesy National Archives of Canada.

  100. Progress Statement: Gap Filler Radar Stations Northwestern Ontario - 7 January 1960.
    Courtesy National Archives of Canada.

  101. Gap Filler Stations: Maritimes Field Survey Report - 6 January 1960.
    Courtesy National Archives of Canada.

  102. Permission for Field Survey - 6 January 1960.
    Courtesy National Archives of Canada.

  103. Gap Filler Radar Stations: Northwestern Ontario - 5 January 1960.
    Courtesy National Archives of Canada.

  104. Cost Estimates - 5 January 1950.
    Courtesy National Archives of Canada.

  105. Preliminary Constructing Engineering Report - 4 January 1960.
    Courtesy National Archives of Canada.

  106. Progress Statement: Gap Filler Radar Stations Maritimes - 4 January 1960.
    Courtesy National Archives of Canada.

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Updated: March 11, 2005