Image: Mammoth Cave River Styx

Original image(1,600 × 1,200 pixels, file size: 3.92 MB, MIME type: image/png)

Description: River Styx, a partly subterranean waterway, emerges onto the surface in Mammoth Cave National Park, Kentucky.
Title: Mammoth Cave River Styx
Credit: Own work
Author: Huw Williams (Huwmanbeing)
Usage Terms: Public domain
License: Public domain
Attribution Required?: No

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