Munsell Soil Color Chart

描述

Munsell Soil Color Chart - Developed by Munsell and the U.S.D.A. Soil Conservation Service, the Munsell Color System is the field and laboratory standard for classifying soil color, rocks, and archaeological specimens. Contains 322 color chips, each sized 1.27 x 1.9cm, mounted on nine charts and housed in a loose leaf binder. Apertures between chips facilitate observations and comparisons. -- Size: 20 x 15cm.