This map of Eastern Flevoland is from the 1960s and may be used in reference to images from the Smolski collection photographed in 1960.
See Smolski Images: Irrigation of wheat Northeast Polder Netherlands; Netherlands: Sluice Gates on Enclosure Dam & IJsselmeer; Netherlands: Enclosure Dam & IJsselmeer;
Creator 1 Role
Geography -- Maps;
Smolski, Chet, "Eastern Flevoland Map" (1969). Smolski Images. 910.