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Still image of an aqueduct canal near Salinas, Puerto Rico, extracted from the FEMA video "Recharge Project: Aquifer Storage and Recovery Project in Salinas, Puerto Rico"
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Sean C. Emmons/USGS
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large dry sink, GPS, NAD 27 310050.2 842133.1 Grady County, Georgia, cropped, by Alan Cressler, used with permission, via Flickr. https://www.flickr.com/photos/alan_cressler/1433048454/
