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 "description": "The 10km x 10km grid was developed in the 1980s by the old Regional Services Council. Its practical use is to provide a unique number for each tile of 10km x 10km aerial (ortho) photography when dealing with aerial contractors and for planning purposes. Furthermore, it can be used as a useful reference guide to identify area's of interest for other geospatial work. The rectangular grid intersection co-ordinates are in Gauss Conform using positive Westings and Southings. The top right corner origin falls on the Lo19 Meridian and is at y = 0 and x = 3 700 000. The reference for each 10km x 10km geocell is derived from the top right corner and is made up of two digits \u2013 the first being the first digit of the y value and the second being the third digit of the x value. For example the geocell with a top right hand corner value y = + 30 000 and x = + 3 740 000 would have a reference of 34. In addition the letter W is added in front if the cell is located west of the Lo19 Meridian and the letter E is added if located east of the Meridian. The 10km x 10km grid numbers are as follows: W00, W01, W02, W03\u2026 One row of cells is added to the east of the Lo19 Meridian: E00, E01, E02, E03... One row of geocells in the south has duplicate numbers going beyond x = 3 800 000: Y = 50 000 and x = 3 700 000 gives W50 (North)Y = 50 000 and x = 3 800 000 gives W50 (South). Therefore, duplicate tiles have been suffixed with a N for tiles lying in the north or S for for tiles lying in the south. In this case, W50N and W50S.",
 "summary": "",
 "title": "Aerial Photography Grid 10 Km X 10 Km",
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 "accessInformation": "Information & Knowledge Management Dept., Geospatial Section, 1st Floor, Keller House, 121 Loop Street, Cape Town. Contact: Ms. Lara Röttcher, Tel. 021 487 2599, email: lara.rottcher@capetown.gov.za. Data distributed by City Maps public counter, 7th Floor, Keller House, 121 Loop Street, Cape Town.",
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