Trench B Central Paving
"In the northern portion of this mound, Rai Bahadur Daya Ram Sahni excavated a considerable area (B) in the years 1920-21, 1923-24 and 1924-25. He began by sinking a trial trench 55 ft. long by 20 ft.
Harappa, Punjab ancient Indus civilization excavations, figurines, seals and other objects.