Manusmriti
एतैर्लिङ्गैर्नयेत् सीमां राजा विवदमानयोः । पूर्वभुक्त्या च सततमुदकस्यागमेन च ॥ २५२ ॥
By these signs, by long continued possession, and by constantly flowing streams of water the king shall ascertain the boundary (of the land) of two disputing parties.
english translation
etairliGgairnayet sImAM rAjA vivadamAnayoH । pUrvabhuktyA ca satatamudakasyAgamena ca ॥ 252 ॥
hk transliteration by Sanscript