R/data-documentation.R
ST_higher_taxa_codes_13th.Rd
A lookup table mapping unique taxonomic Order, Suborder, Great Group and Subgroups to letter codes that denote their logical position within the Keys.
data(ST_higher_taxa_codes_13th)
An object of class data.frame
with 3153 rows and 2 columns.
Soil Survey Staff. 2022. Keys to Soil Taxonomy, 13th ed. USDA-Natural Resources Conservation Service. https://www.nrcs.usda.gov/resources/guides-and-instructions/keys-to-soil-taxonomy