Soil Composition Across the U.S.

The proportion of sand, silt, and clay contained in soil across the U.S. affects the amount of water it can hold.

---

NASA Earth Observatory maps by Joshua Stevens, using data from the CONUS-SOIL database by Miller, D. A., & White, R. A. (1998). Caption by Kathryn Hansen.

Published January 9, 2016
Data acquired 1998

Sources:

In situ Measurement

Landsat 4 > TM

Landsat 5 > TM

Model