These contour lines provide basic elevation information for earth science studies and mapping applications in the park. The data are utilized by the scientific and resource management communities for
Vector altimetry component of SM 5 is based on vector file of contour lines from ZABAGED®. However, this product has not been updated contrary to ZABAGED® since 2007.
Iowa turning movement information for intersections on the primary, secondary and municipal roadway systems. The state is divided into 4 quadrants and each quadrant is counted every 4 years.
