Soil is important! If you want to know how to create better soil, you’ve got to learn basic soil science including information about soil color, texture and structure. From MOTHER EARTH NEWS magazine.
10 Seamless Dirt and Soil Textures - Nature Textures / Fills / Patterns
DIY Soil Testing - texture, as well as its other properties, is a critical step to a healthy garden. A simple way to judge clay/sand/silt ratios in soil.