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  "attribution": "Mapzen; SRTM/GMTED2010 terrain data courtesy of the U.S. Geological Survey",
  "modifications": "bilinear resampling; gridSpacingMeters records sampling, not source accuracy; display scaling recorded in city metadata",
  "renderBoundsWorld": [
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  "renderExtentKm": [
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  "sourceUrl": "https://www.linyi.gov.cn/sq/lygk/zrhj1.htm"
}