Munsell Soil Color Charts are a quick and affordable way to assess soil types in any given area. The color charts in this book are portable and organized to allow for easy and accurate evaluations in the field.
msdspens
Accu Dyne Test Pens kit 22 Standard dyne levels, from 30 through 72 dynes/cm, all formulated from 100% reagent grade materials Specifically designed for fast, accurate on-line use by printers, coaters, and laminators —