Soil verification pit
glossary and government resources
Soil verification pit
:
an excavation into the mineral soil of sufficient depthto allow assessment of the soil properties used to evaluate soil productivity andsensitivity to forest management-related disturbances. This generally requires anexcavation 90 cm deep unless a watertable, compact soil, or bedrock is encountered closerto the soil surface, in which case the depth to one of these layers is the minimum depthof pit required. [Ministry of Forests -- Government of British Columbia]
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