ROSETTA.centroids
ca630
equivalent_munsell
jacobs2000
munsell
munsell.spectra
munsell.spectra.wide
pms.munsell.lut
rowley2019
rruff.sample
sierraTransect
soil_minerals
soiltexture
sp1
sp2
sp3
sp4
sp5
sp6
us.state.soils
