Shalbatana Vallis
Shalbatana Vallis is an ancient water-worn channel on Mars , located in the Oxia Palus quadrangle at 7 . 8° north latitude and 42 . 1° west longitude . 
<triplet> Shalbatana Vallis <subj> Mars <obj> located on astronomical body <subj> Oxia Palus quadrangle <obj> location <triplet> Oxia Palus quadrangle <subj> Mars <obj> coordinate location