Marsh Lock
Marsh Lock is a lock and weir situated on the River Thames in England near Henley-on-Thames , Oxfordshire . 
<triplet> Marsh Lock <subj> lock <obj> instance of <subj> weir <obj> instance of <subj> River Thames <obj> located on terrain feature <triplet> River Thames <subj> Oxfordshire <obj> located in the administrative territorial entity <triplet> Henley-on-Thames <subj> River Thames <obj> located in or next to body of water