List of U.S. state soils
This is a list of U.S. state soils. A state soil is a soil that has special significance to a particular state. Each state in the United States has selected a state soil, twenty of which have been legislatively established. These official state soils share the same level of distinction as official state flowers and birds. Also, representative soils have been selected for Puerto Rico and the U.S. Virgin Islands. 
- List of state soil science associations
- List of U.S. state, district, and territorial insignia
- Soil in the United States
- "State Soils". U.S. Department of Agriculture. Archived from the original on 2007-03-13. Retrieved 2007-03-11.
- "Official Alabama Soil". Alabama Emblems, Symbols and Honors. Alabama Department of Archives & History. 2004-06-15. Retrieved 2007-03-21.
- "Windsor – Proposed State Soil". Connecticut Soils. Natural Resources Conservation Service. Archived from the original on 2007-07-31. Retrieved 2007-03-21.
- "LAWS Detailed Bill Information Page". laws.leg.mt.gov. Retrieved 2017-06-14.
- "Marlow". Retrieved 2019-03-27.
- "House Concurrent Resolution 3, 2011". Oregon State Legislature. 2011. Archived from the original on August 5, 2012. Retrieved May 24, 2011.
- Mapes, Jeff (May 24, 2011). "Jory soil, not just any dirt, is named Oregon's state soil". The Oregonian. Retrieved May 24, 2011.
- "Soils | NRCS Utah". www.ut.nrcs.usda.gov. Retrieved 2016-12-16.
- "Tokul – Washington State Soil" (PDF). State Soils. Natural Resources Conservation Service. Retrieved 2007-03-21.[ permanent dead link]