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The USGS provides the mapping and digital geospatial foundation for the Nation.

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Historical Aerial View of CERC's Campus
No. A photographic enlargement only appears to show more detail than a 9-by-9 inch photograph. Photographic resolution (or image resolution) deteriorates with each enlargement factor. Photographic reproduction of images from the USGS film archives ceased on September 3, 2004. For those who specifically need paper or film products, there is a list...