Town of Gutenberg 6/23/98 73 1 photo - 5-11-63 K, K', L. Intersection of US 52 + Iowa C7X Platteville Gp - Mylin Mbr overlain by Grand Detour Mbr + all part MacGregor Fm) See p. 26, Sloan Fig. 4-1 - shaley late that is greenish Notes: Good road sections S. of Gutenberg & Ord & Silm. C7X - road sections at 5 miles W of Garber. intersection 1/2 mile from X 41 / + 2 mls. E of Garber. Near Littleport, Clayton County, Iowa Stop 15 (red pen) in 1995 field book County Rd X 21 3 photos - 1 at bottom, 1 at top + then 1 in the middle Luana Mbr Maquoketa Fm - shale at v. top