Those are the different soil horizons, which are basically just layers of soil with different properties. If you’re interested in checking out actual soil profiles, the NRCS Web Soil Survey is a super cool website for the US.
Those are the different soil horizons, which are basically just layers of soil with different properties. If you’re interested in checking out actual soil profiles, the NRCS Web Soil Survey is a super cool website for the US.
Having worked for a state government which maintained data for federal submissions in 15 different versions of the same giant excel file on 15 different computers, it’s scary how accurate this is.
It’s how we did it for $10 in 2012 as well