A GEOLOGIC GUIDE TO THE RAGBRAI CHALLENGE
(IOWA CITY) For those about to embark on the muscle-straining challenge known as RAGBRAI, help is available.
Cyclists who join the Register’s Annual Great Bicycle Ride Across Iowa (RAGBRAI) can find their guide to the challenging terrain in a series of DNR brochures. Each brochure provides an idealized cross section and shaded relief map of the day’s ride. The brochures highlight the route and the elevations that cyclists will traverse. RAGBRAI riders can also find points of interest and information about the geologic features they will find each day.
Riders on Day 1 can expect a knee-breaking change in elevation of 462 feet on the nearly 64-mile run from Glenwood to Atlantic. Sights to see include Iowa’s unique landform, the Loess Hills; and the Hitchcock House near Lewis, a stop on the Underground Railroad, while learning more about oil wells and limestone quarrying in Iowa.
Look for “Learn about the Land” brochures at the Iowa Archaeology Outreach booth at the RAGBRAI EXPO in Glenwood on Saturday. U.S. Geological Survey staff will be on hand to answer questions. Or, find brochures online at the DNR - Iowa Geological and Water Survey website.
The DNR’s Geological and Water Survey and the U.S. Geological Survey created the brochures with support from the Iowa Limestone Producers Association.