Age of the buried soil in the Sidney, Ohio, area

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Abstract
A buried soil near Sidney, Ohio, is unusual in having been developed in till and in having a datable buried log--22,480+ or -800 yr, B.P.; W-356--lying directly on it. Molluscs in underlying silt have too great a range to be used to identify age. The nature of the soil itself, which is weakly developed with poor horizonation, is the best key to its age. The soil is exposed at 3 localities, one of which is associated with peat, from which was obtained a pollen profile showing poplar, elm, alder, grass, and high percentages of oak pollen, but almost no spruce or pine. The interval represented by the soil is shown by radiocarbon dates to be at least 30,000 years. The nature of the soil, supported by radiocarbon dates, indicates that it is probably mid-Wisconsin in age.

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