Ground-truth soil profile for any US latitude/longitude from the USDA-NRCS SSURGO survey (Soil Data Access). Returns the soil map unit plus its component soil types ranked by composition percent, each with taxonomic order/class, drainage class, hydrologic group, and representative slope. Keyless, public-domain. Use for agronomy, land assessment, hydrology, septic/foundation suitability, and crop-fit reasoning. Coordinates over water or outside surveyed areas return an empty component list.

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