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Dermatitis Caused by Sponge Spicules in Soil¹

ABSTRACT

Sharp pointed sponge spicules occur in certain soil types formed from lacustrine mineral or organic sediments, or from weathered limestones. Occasionally the spicules are sufficiently abundant to cause discomfort and skin rashes in persons exposed to soil contact.

¹ Cornell University, Department of Agronomy Paper no. 797.

² Professor of Forest Soils, and Professor of Soil Science (deceased), respectively, Cornell University, Ithaca, N.Y.

³ Professor of Wood Products Engineering, State University of New York College of Forestry, Syracuse, New York.

Received for publication September 25, 1969. Accepted for publication October 16, 1969.