Soil horizons.
Soil Science Society of America,issuing body.
Mode of access: World Wide Web.
Description based on: Vol. 53, no. 1 (Jan. 2012); title from homepage (viewed July 5, 2012).
Latest issue consulted: Volume 56, issue 6 (November/December 2015) (ACSESS Digital Library, viewed November 1, 2017).
Soil science
Soil surveys
Soil science.
Soil surveys.
Soil survey horizons
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