Collections of maps and datasets.

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The Disappearing West
Established methods were used to map the degree of human modification on a scale from 0.0 - 1.0 at a high spatial resolution (30 m) across the western US. Datasets depicting estimates of cumulative human modification are provided in this gallery at state, county, and 270 m raster levels. To obtain the original 30 m dataset, please contact Conservation Science Partners, Inc. at
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