Historical Mapping Legends

Transcription

1 Historical Mapping Legends Ordnance Survey County Series and Ordnance Survey Plan 1:2,500 Ordnance Survey Plan, Additional SIMs and Supply of Unpublished Survey Information 1:2,500 and Large-Scale National Grid Data 1:2,500 and Historical Mapping & Photography included: Mapping Type Scale Date Pg Hertfordshire Hertfordshire Hertfordshire Hertfordshire Ordnance Survey Plan Ordnance Survey Plan Ordnance Survey Plan Supply of Unpublished Survey Information Additional SIMs Large-Scale National Grid Data Large-Scale National Grid Data Large-Scale National Grid Data 1:2,500 1:2,500 1:2,500 1:2,500 1:2, Historical Map - Segment 5 Search uffer (m): 100 Page 1 of 13

2 Hertfordshire Published Source map scale - 1:2,500 the whole of what were considered to be the cultivated parts of Great ritain. date. efore 1938, all OS maps were based on the Cassini Projection, with Historical Map - Segment 5 Search uffer (m): 100 Page 2 of 13

3 Hertfordshire Published 1898 Source map scale - 1:2,500 the whole of what were considered to be the cultivated parts of Great ritain. date. efore 1938, all OS maps were based on the Cassini Projection, with Historical Map - Segment 5 Search uffer (m): 100 Page 3 of 13

4 Hertfordshire Published 1914 Source map scale - 1:2,500 the whole of what were considered to be the cultivated parts of Great ritain. date. efore 1938, all OS maps were based on the Cassini Projection, with Historical Map - Segment 5 Search uffer (m): 100 Page 4 of 13

5 Hertfordshire Published 1939 Source map scale - 1:2,500 the whole of what were considered to be the cultivated parts of Great ritain. date. efore 1938, all OS maps were based on the Cassini Projection, with Historical Map - Segment 5 Search uffer (m): 100 Page 5 of 13

6 Ordnance Survey Plan Published 1959 Source map scale - the whole of what were considered to be the cultivated parts of Great ritain. date. efore 1938, all OS maps were based on the Cassini Projection, with Historical Map - Segment 5 Search uffer (m): 100 Page 6 of 13

7 Ordnance Survey Plan Published 1960 Source map scale - 1:2,500 the whole of what were considered to be the cultivated parts of Great ritain. date. efore 1938, all OS maps were based on the Cassini Projection, with Historical Map - Segment 5 Search uffer (m): 100 Page 7 of 13

8 Ordnance Survey Plan Published Source map scale - the whole of what were considered to be the cultivated parts of Great ritain. date. efore 1938, all OS maps were based on the Cassini Projection, with Historical Map - Segment 5 Search uffer (m): 100 Page 8 of 13

9 Supply of Unpublished Survey Information Published Source map scale - SUSI maps (Supply of Unpublished Survey Information) were produced between 1972 and 1977, mainly for internal use at Ordnance Survey. These were more of a `work-in-progress' plan as they showed updates of individual areas on a map. These maps were unpublished, and they do not represent a single moment in time. They were produced at both 1:2,500 and scales. Historical Map - Segment 5 Search uffer (m): 100 Page 9 of 13

10 Additional SIMs Published Source map scale - The SIM cards (Ordnance Survey's `Survey of Information on Microfilm') are further, minor editions of mapping which were produced and published in between the main editions as an area was updated. They date from 1947 to 1994, and contain detailed information on buildings, roads and land-use. These maps were produced at both 1:2,500 and scales. Historical Map - Segment 5 Search uffer (m): 100 Page 10 of 13

11 Large-Scale National Grid Data Published 1992 Source map scale - 'Large Scale National Grid Data' superseded SIM cards (Ordnance Survey's 'Survey of Information on Microfilm') in 1992, and continued to be produced until These maps were the fore-runners of digital mapping and so provide detailed information on houses and roads, but tend to show less topographic features such as vegetation. These maps were produced at both 1:2,500 and scales. Historical Map - Segment 5 Search uffer (m): 100 Page 11 of 13

12 Large-Scale National Grid Data Published Source map scale - 'Large Scale National Grid Data' superseded SIM cards (Ordnance Survey's 'Survey of Information on Microfilm') in 1992, and continued to be produced until These maps were the fore-runners of digital mapping and so provide detailed information on houses and roads, but tend to show less topographic features such as vegetation. These maps were produced at both 1:2,500 and scales. Historical Map - Segment 5 Search uffer (m): 100 Page 12 of 13

13 Large-Scale National Grid Data Published 1996 Source map scale - 'Large Scale National Grid Data' superseded SIM cards (Ordnance Survey's 'Survey of Information on Microfilm') in 1992, and continued to be produced until These maps were the fore-runners of digital mapping and so provide detailed information on houses and roads, but tend to show less topographic features such as vegetation. These maps were produced at both 1:2,500 and scales. Historical Map - Segment 5 Search uffer (m): 100 Page 13 of 13