pp 307 plate 2 3 - USGS · PLATE 2 EXPLANATION Loess of Pleistocene and Recent age, a few inches to...
1
pp 307 plate 2 3 - USGS · PLATE 2 EXPLANATION Loess of Pleistocene and Recent age, a few inches to more than 20 feet thick, represented on the map by a stipple attern, covers much
