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small scale
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[map design]
Generally, a map scale that shows a relatively large area on the ground with a low level of detail. In a two-way grouping of map scales, a map is considered small scale when the numeric value of the representative fraction 1/x is smaller than 1:500,000; in a three-way grouping of map scales, it is considered small scale when the numeric value of the representative fraction 1/x is smaller than 1:1,000,000.