[word=soil] [tag=NN] [□=□]
[word=soil] [tag=NN] [word=□]
[word=soil] [tag=NN] [tag=□]
Surface soil ( A horizon ) is the portion of the soil profile at the interface with the earth 's atmosphere . The court of appeals agreed with the district court that " [ c ] onverting ranch land to orchards and vineyards is clearly bringing the land ' into a use to which it was not previously subject , ' and there is a clear basis in this record to conclude that the destruction of the soil layer at issue here constitutes an impairment of the flow of nearby navigable waters . The same panelist pointed out that soil ingestion at levels of potential health concern is too common to be labeled " abnormal . This suggests that 1 ) the skeleton was buried at a depth below the Mt. Mazama tephra which is in the lower part of Lithostratigraphic Unit I ( Figure 2 ) , and 2 ) a substantial part of the soil formation at the site including formation of the calcitic concretions in Lithostratigraphic Unit II occurred after 6700 years . Obviously , a soil profile at one place could be unlike a profile only a few meters away for soils with cyclic or intermittent horizons or layers . In September 2005 , Heiman worked with Jean Mianikpo Sogbedji , a former professor of soil science-agronomy at Cornell who now heads up the soil science department at the national university in Togo .