| Koudekerke-Vlissingen and Oostsouburg, Holland. 1:10,000. Map Sheet 2, 1st Edition, Defence Overprint, 28 October 1944 |
Canada. Royal Canadian Engineers |
1944 |
|
| Krannenburg, Germany. 1:12,500. Map Sheet 4202/1, 1st Edition, Defence Overprint, 17 January 1945 |
Canada. Royal Canadian Engineers |
1945 |
|
| Krannenburg, Germany. 1:12,500. Map Sheet 4202/1, 1st Edition, Defence Overprint, 2 February 1945 |
Canada. Royal Canadian Engineers |
1945 |
|
| Le Havre, France (East). 1:10,000. Map Sheet 3, 2nd Edition, Town Plan, Defence Overprint, 5 September 1944 |
Great Britain. War Office. General Staff. Geographical Section. |
1944 |
|
| Le Havre, France (NW). 1:10,000. Map Sheet 1, 2nd Edition, Town Plan, Defence Overprint, 5 September 1944 |
Great Britain. War Office. General Staff. Geographical Section. |
1944 |
|
| Le Havre, France (SW). 1:10,000. Map Sheet 2, 2nd Edition, Town Plan, Defence Overprint, 5 September 1944 |
Great Britain. War Office. General Staff. Geographical Section. |
1944 |
|
| Leiden East, Holland. 1:25,000. Map Sheet 365, Defence Overprint, 12 April 1945 |
United States. Army Map Service |
1945 |
|
| Leiden West, Holland. 1:25,000. Map Sheet 365, Defence Overprint, 12 April 1945 |
United States. Army Map Service |
1945 |
|
| Macerata Feltria, Italy. 1:25,000. Map Sheet 108-11 NE, 1st Edition, Defence Overprint, 12 August 1944 |
Great Britain. War Office. General Staff. Geographical Section. |
1944 |
|
| Meppen, Germany. 1:25,000. Map Sheet 3309, 2nd Edition, Defence Overprint, 14 February 1945 |
Great Britain. War Office. General Staff. Geographical Section. |
1945 |
|
| Mezidon, France. 1:25,000. Map Sheet 40/14 NE, Defence Overprint, Operation Totalize, 6 August 1944 |
Great Britain. War Office. General Staff. Geographical Section. |
1944 |
|
| Millingen, Eastern Holland. 1:25,000. Map Sheet 4102, 3rd Edition, Defence Overprint, December 1944 |
Canada. Royal Canadian Engineers |
1944 |
|
| National Topographic Database System (NTS) - 50 Grid |
Ontario Ministry of Natural Resources |
2000 |
|
| National Topographic System Index (NTS) - 250 Grid |
Ontario Ministry of Natural Resources |
2000 |
|
| Oldenburg, Germany. 1:25,000. Map Sheet 2815, 2nd Edition, Defence Overprint, 11 April 1945 |
Great Britain. War Office. General Staff. Geographical Section. |
1945 |
|
| Oldenburg, Germany. 1:250,000. Map Sheet K54, 5th Edition, Flooding Overprint, 26 March 1945 |
Great Britain. War Office. General Staff. Geographical Section. |
1945 |
|
| Ontario Base Map (OBM) Digital Data |
Ontario Ministry of Natural Resources |
1977 - 2008 |
|
| Oosterhout, Holland. 1:25,000. Map Sheet 10 SW, Emergency Printing, Defence Overprint, 20 January 1945 |
United States. Army Map Service |
1945 |
|
| Osnabruck, Germany. 1:250,000. Map Sheet K53, 5th Edition, Flooding Overprint, 26 March 1945 |
Great Britain. War Office. General Staff. Geographical Section. |
1945 |
|
| Piandimeleto, Italy. 1:25,000. Map Sheet 108-11 SE, 1st Edition, Defence Overprint, 12 August 1944 |
Great Britain. War Office. General Staff. Geographical Section. |
1944 |
|
