Click to enlarge to 20″ x 20″. Notice Hammond Mill, upstream from ROLF, is located and not yet razed. This was my grandfathers map and was probably used to navigate to Rainbow Springs in the early 1930’s – 1940. This map was printed by the state of Missouri my guess is during the proposal phase of the North Fork of the White River dam to create Norfork Lake. once again, click to make readable.