From Infogalactic: the planetary knowledge core
Asopus Vallis, as seen by HiRISE.
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|Naming||a classical name for the modern Hagios River, Greece|
Asopus Vallis is a valley in the Memnonia quadrangle on Mars, located at 4.4° south latitude and 149.7° west longitude. It is 33 km long and was named after a classical name for the modern Boeotian Asopus river in Greece.
- "Planetary Names: Welcome". Planetarynames.wr.usgs.gov. Retrieved 2014-01-06.<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>
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