ID-BIG GRASSY RIDGE SE: GeoChange 1971-2011

Western Michigan University

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$2.99 USD
See places today and in the past. This map is an Authoritative US Topo (an extremely accurate digital USGS topographic map) draped over an NAIP aerial image. Where there is no map content, you see the NAIP image directly, and where there is map content, you see through semi-transparent map featur...

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