A sampler of illustrations used in the series 'Physical geography of the Netherlands' by H.J.A. Berendsen is available here . The Waal is the largest river of the Netherlands, and a busy shipping route.
Residual channels are visible in the embanked floodplains.
They did not hit the gold. These dunes parallel the Younger Dryas braided channels of Rhine and Meuse, and were blown out of the river channel by southwestern winds. Staay suction corer. Around 1850 this channel was artificially cut off. The entrance to this house in the Bommelerwaard near Zaltbommel was built at the same level as the dike level in 1861.