https://silkfeltsoil.blogspot.com/2007/02/color-trend-super-baby-pink.html
Silk Felt Soil: color trend...: super baby pink
soil colorsuper babysilkfelttrend
https://scholars.uky.edu/en/publications/matching-the-color-of-excavated-soil-cryptic-coloration-in-the-pl/
Matching the color of excavated soil: Cryptic coloration in the plains pocket gopher (Geomys...