River map 2nd revision series 4_1950_1961

Mosaic of old river maps in ECW made from old river maps that have been scanned. After this, the leaf edges have been removed and the images are reorientated in RD. After this, a mosaic has been made in ECW format per print, series or revision. A corresponding index file (shape) can be found from which year each individual card is. IJssel, Ganzendiep and Goot, Black Water/[Rijkswaterstaat]. — [second revision]. — [the Hague: State printing works, 1927-1933]. ('s-Gravenhage; Delft: Topographical Set-up: Topographical Service). — 1 series in 35 sheets: lithography; various formats. Title taken from sheet 1 Westervoort (noord). The deck titles vary along the top of the map.