Joint operations graphic.

Various editions. Series of aeronautical charts with a topographic base for use by combined operations of ground and air forces of allied nations. Relief shown by contours, shading, spot heights, and hypsometric tints.; Sheets produced by various government publishers: the National Imagery and Mapping Agency; the Defense Mapping Agency, Hydrographic/Topographic Center; Defense Mapping Agency, Aerospace Center; Defense Intelligence Agency; U. S. Army Topographic Command ; Army Map Service; Department of Defense; Directorate of Military Survey, Ministry of Defence, United Kingdom; Surveys and Mapping Branch, Department of Energy, Mines and Resources, (Canada); Royal Australian Survey Corps; and others.; Early editions titled "Aeronautical Chart", series AGC, replacing 'Aeonautical approach Chart" series AC.; Each sheet is named and numbered individually.; Some sheets overprinted and entitled: Topographic Dectrac chart, Decca chain 3F; "Companion series 1501" on some sheets.; Combined joint operations graphic supersedes 1501, 1501 Air. Issued in lieu of JOG ground and JOG air.; "Joint Operations Graphics - Air (JOG-As). JOG-As are suitable for pre-flight and operational functions at the 1:250,000 scale"--Publisher's catalogue.; "Elevation in metres" on ground sheets. "Elevation in feet" on air sheets.; Includes index to adjoining sheets, conversion of elevations, grid reference, glossary, georef diagram, notes, "reliability of this sheet".; Legend and marginal information in English and in the language of the country depicted.Joint operations graphic (air)Joint operations graphic (ground)JOGJOG (A)JOG (G)Some sheets have title: Combined joint operations graphicStandard map series designation: Series 150