River map 2nd revision series 2a

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.

Hollandsche IJssel c.a./[Rijkswaterstaat]. — Scale 1:5,000. — [the Hague: State Printing Company, 1933-1954] (Delft: Topographical Service). — 1 series in 14 sheets: lithography; various formats. The deck titles vary along the top of the map. Of most magazines a 3 rd and 4th edition. Some card sheets in combination with other series.