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    Y742 is a series of 1: 50 000 scale topographic maps which were published between 1963 and 1991. The map series covers the border between Kenya and Tanzania with a number of the maps being published by each government. Several of the maps have been released as a series of versions. The collection held by the Geodata Centre does not include all versions of the maps produced. Publishers: D.O.S. Directorate of \overseas Surveys Tanganyika Government; TSD/OSD Governement of the United Kingdom (Ordnance Survey) for the Government of the United Republic of Tanzania; TSD Ministry of Lands Housing and Urban Development Tanzania; SK Survey Kenya

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    Part of an airborne gephysical survey carried flown between December 1981 and February 1982. Data was collected for the Kerio valley and North East Kenya. A selection of maps were produced for each area includinga survey index map: a band pass filter magnetic field, equivalent thorium, potassium concentration contours, flight path and location maps, magnetic, radiometric interpretation, residual magnetic field contours, secondary residual magnetic field contours and profiles and target maps.

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    Geological mapping (1984) was carried out as part of the Samburu Marsabit Geological Mapping and Mineral Exploration Prokect, a joint Kenyan - British Overseas Development Administration Technical Co-operation Project, staffed by the Kenyan Mines and Geological Department and the Brtish Geological Survey (formerly the Institute of Geological Science) of Natural Environment Research Council. Series of 1: 250 000 scale geological maps captured in two phases. The maps cover central (phase 1) and northern Kenya (phase 2). The maps align with the 1: 500 000 scale map for the Northern Turkana area.

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    Y731 (1: 50 000 scale) Topographic Maps represents the main 1: 50 000 scale mapping covering large parts of Kenya. The maps illustrate the key topographic features both natural and man made. There have been multiple versions of the maps published. Not all versions of the maps are held by the Geodata Centre. Those which are currently held (November 2018) are listed. Publishers OSD Government of the United Kingdom (Crown Copyright); OSD(K) Government of the United Kingdom for the Government of Kenya; OSD(T) Government of the United Kingdom for the Government of Tanzania; OSD(U) Government of the United Kingdom; USD Department of Land and Surveys Uganda; ING French National Geographic Institute for the Government of Kenya; JICA Japan International Co-operation Agency for the Government of Kenya.

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    A series of maps covering the north and south coastal areas of Kenya. The original survey was undertaken as a project under the British Technical co-operation programme arranged between the Government of Kenya and the Government of the United Kingdom (Overseas development Administration. The geological mapping was carried out between 1977 and 1980. The topographic backdrop was derived from the 1: 50 000 scale Y731 Series with updated road information. Each map shows a coastal section and the geology associated with it. The maps are black and which and rely on the map codes to identify the geology at any given location.

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    The Preliminary Plot 1: 50 000 scale map serises are the initial topographic maps developed for Kenya. They are nbased on air photographs captured by the Royal Air Force (United Kingdom). They are essentially black an dwhite maps showing a simple interpretation of the key topographic features. CRS: Transverse Mercator, Clarke 1880. Publishers: DCS Directorate of Colonial Surveys (United Kingdom Government); KS Kenya Survey; GSGS War Office (United Kingdom Government); DOS Directorate of Overseas Surveys (United kingdom Government) Except map A37 VI SW South Ndakathima which is in Arc (1960) Clarke (1880)

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    Geological map of Kenya with bouguer gravity contours overlaid. Data was compiled from observations listed in Swain and Khan, 1977, 'Kenya, a catalogue of gravity measurements' by Leicester University (same authors) using a density of 2.67, datum IGSN 1971 and 1967 gravity formula. Contours are in mgl (milli galileo - measure of gravity) as positive and negative values. West of 37 deg 30' Long. Contours by Beicip every 5mgl from station data recorded on tapes by Leicester University. Updated from Amoco data in Lotikipi Gatome area by Beicip-Franlab 2001. East of 37 deg 30' Long. Contours every 10mgl from Bouger map of Kenya, 1982 at 1: 1 000 000, Leicester University. Modified by Beicip with additional information in the Garissa-wajir area and offshore area.

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    Series of maps showing the southern part of the Kenya rift valley. Map data was collected at various scales but maps are presented to be printed at 1: 135 000 if the pdf versions are printed at 36x24 inches. Maps show bedrock geology and structural elements and include a section of the DEM with hillshading and a cross section.

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    Small selection of the 1: 50 000 scale SK61 topographic map series. These are later rereleased editions of the map series. Currently (November 2018) only a small number of the maps from this series are held by the Geodata Centre.

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    Y732 (1: 50 000 scale) Topographic Maps area a series of maps produced by the Uganda Governemnt between 1963 and 1972. The maps cover the interbational boundary area between Kenya and Uganda. Previous versions of the maps have been published and it is possible that further editions have been released. The list contains those maps from the series currently (November 2018) held by the Geodata Centre.