White, David A. (David Archer)Sheet 6 of 11 sheets, Structure contour (contour lines of equal elevation that map features in the subsurface produced by rock deformation or erosion), map of the Mesabi Range, Minnesota, scale 1:31,250.PDFengMinnesota Geological SurveyPublicStratigraphy and structure of the Mesabi range, Minnesota, Bulletin 38, Plate 11MapsMinnesota1954University of Minnesota