Soils
Soil is the upper loose layer of mountain rocks, which was formed due to the interaction of sunlight and heat, air, water, plants, animals and bacteria over a long period of time... Read more in a phd dissertation on https://dissertationmasters.com/
ODNR Division of Soil & Water (click on soils tab) www.dnr.state.oh.us/soilandwater
USDA-Ohio NRCS soils home page www.oh.nrcs.usda.gov/technical/soils/
USDA soils home page www.soils.usda.gov
NRCS’s Soil Data Mart http://soildatamart.nrcs.usda.gov/
NRCS’s Web soil survey http://websoilsurvey.nrcs.usda.gov/app/
Hydric Soils information www.soils.usda.gov/use/hydric/
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