Digital Elevation Contours
NCTCOG Multiyear Contours
NCTCOG developed a layer of digital elevation contours by bringing together data from a variety of sources. This unique layer covers most of the NCTCOG region. The 2' cartographic-quality contours represent the most recent data available for a given area. The data are available for free viewing or on-line mapping or can be downloaded by tile for a nominal (cost-recovery) fee.