Fragment stoneware jug with salt glaze, neck fragment, siegburgkan water jug crockery holder soil find ceramic stoneware glaze salt glaze, hand turned glazed fried Neck fragment of large stoneware jug Relatively short neck neck tapered from shape upwards narrowing Conical jar Ten dele glazed light brown Standing bandoor archeology underground pit Rotterdam City Triangle Blaak Groenendaal indigenous pottery import drink water food preparation pour keep kitchen basement Soil discovery: underground pit Groenendaal direction Blaak from large waste pit at ± 4 meter -NAP 1977.06.27.