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Continue to ChatIowa Soil pH Maps [gSSURGO] https://www.agron.iastate.edu/glsi/2019/07/22/download-iowa-soil-ph-maps-gssurgo/
Iowa Soil pH Maps [gSSURGO] https://www.agron.iastate.edu/glsi/2019/07/22/download-iowa-soil-ph-maps-gssurgo/