File:Index diagram of sheets for the International map on the scale of 1 1,000,000 (2710800326).jpg
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Zoom into this map at maps.bpl.org. Author: Great Britain.Ordnance Survey. Publisher: [s.n.] Date: 1909. Scale: Scale not given. Call Number: G3200 1909.G7 Ushering in an era of international co-operation at the beginning of the 20th century, the world's major countries joined together to create a comprehensive and uniform series of topographic map sheets for the entire world. The participating countries agreed that the proposed series would use standardized map symbols, including hypsometric tints (a gradation of assigned colors) to show elevations. Each map sheet, corresponding to four degrees of latitude and six degrees of longitude, would have a scale of 1:1,000,000 (or 1 inch equals 15.78 miles). Subsequently, the map series was known as the International Map of the World (IMW) or the Millionth Map. Most standard-sized world maps (two by three feet) have a scale in the range of 1:50,000,000 (one inch equals 800 miles). These small-scale maps depict the entire world but show a limited amount of detail. The intended purpose of the international series was to provide a general planning map for the entire world at a larger scale with the capability of showing greater detail. However, to provide geographic coverage of the entire world at a scale of 1:1,000,000 required more than 2,000 map sheets (each measuring approximately 1.5 by 2 feet). If placed adjacent to each other on a sphere, the resulting globe would have a diameter of 42 feet. |
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Index diagram of sheets for the International map on the scale of 1:1,000,000
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| Author | http://maps.bpl.org |
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This image, originally posted to Flickr, was reviewed on 21 August 2013 by the administrator or reviewer File Upload Bot (Magnus Manske), who confirmed that it was available on Flickr under the stated license on that date. |
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| current | 04:31, 21 August 2013 | | 1,200 × 696 (232 KB) | File Upload Bot (Magnus Manske) (talk | contribs) | Transferred from Flickr by User:tm |
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