Despite a strong local tradition, there is little evidence of a Roman military station at Stockport. It is assumed that roads from Cheadle to Ardotalia (Melandra) and Manchester to Buxton crossed close to the town centre. The preferred site is at a ford over the Mersey, known to be paved in the 18th century, but it has never been proved that this or any roads in the area are Roman. Hegginbotham reported (in 1892) the discovery of Roman mosaics at Castle Hill (around Stockport market) in the late 18th century, during the construction of a mill, but noted it was "founded on tradition only"; substantial stonework has never been dated by modern methods. However, Roman coins and pottery were probably found there during the 18th century. A cache of coins dating from 375–378 AD may have come from the banks of the Mersey at Daw Bank; these were possibly buried for safekeeping at the side of a road.