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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.
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)
Y503 series of 1:: 250 000 scale topographic maps. Each map is a compilation from pre-existing published topographic maps mosty at 1: 50 000 scale (detailed on each map face). Series includes Kaabong, Aloi, jinja, in Uganda which was compiled and published by The Department of Lands and Surveys in Uganda. These maps use the New Arc (1960) datus Clarke 1880 (Modified) Spheroid UTM zone 36. Series also includes Musuma in Tanzania which was compiled by the Ministry of Lands, Forests and Wildlife, Tanganyika. Arusha was compiled by the Ministry of Lands, Settlement and Water Development Tanzania. Lushoto was compiled by the Ministry of Lands Surveys and Water Tanganyika. Series also include Kapenguria, Nyeri, Chuka, Chismaio, published by War office and Air Ministry using Transverse Mercator, Clarke 1880 (UTM Zones 36 and 37). Garsen was published by the Ministry of Defence (United Kingdom). CRS System: Various: Transverse Mercator, Clarke 1880; Arc 1960 (Clarke 1880); Arc 1960 (Clarke 1880) Zone 36S; Arc 1960 (Clarke 1880) Zone 36N; Arc 1960 (Clarke 1880) Zone 37S; Arc 1960 (Clarke 1880) Zone 37N, Arc 1960 (Clarke 1880) Zone 38N
Geological maps by sheet area showing the geology at 1: 125 000 scale. The mappping has been carried out in a series of phases, initiated in 1949 by the then Ministry of Commerce and Industry Mines and Geological Department, a second phase of mapping was undertaken in the 1960's to early 1970's under the guidance of the Ministry of Natural Resources Mines and Geological Department with final maps being produced by the Ministry of Environment and Natural resources Mines and geological department in the late 1980's.
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.
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.
Series of 1: 100 000 scale topographic maps pubished between 1958 and 1978. Data was collated and published by War office and Air Ministry (United Kingdom) subsequently Ministry of Defence (United Kingdom)[GSGS]; Survey Kenya [SK]; Directorate of Overseas Surveys for the Kenya Government [D.O.S.] . Maps are projected using the East African Grids (Transverse Mercator(Clarke 1880); Arc (1960) (Clarke 1880). A small number of the maps are shown as using Arc (1950) (Clarke 1880) however, this dataum is usually used for map in Botswana, Malawi, Zambia and Zimbabwe. The map references for the sheets indicated to be in Arc (1950) (Clarke 1880) have been flagged to indicate this. Publishers: G.S.G.S. British War Office and Air Ministry/Ministry of Defence (United Kingdom); D.O.S. Directorate of Overseas Surveys for the Kenya Government; S.K Survey Kenya
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.
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.
These maps are a selection of the scanned report maps and inserts. They have been gathered at vaious scales and are fully described in their source reports.