- Physical Description: 1 online resource
- Publisher: Riverdale Maryland : United States Department of Agriculture, Animal and Plant Health Inspection Service
|Source of Description Note:|| Description based on: version last modified May 19, 2016; title from title screen (viewed June 3, 2016).
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|Subject:||Soil laboratories > United States > Directories.
Soils > Sampling > United States > Periodicals.
Soils > Testing > Periodicals.