United States Department of Agriculture
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MLRA 109 - Iowa and Missouri Heavy Till Plain

Documents requiring Adobe Acrobat Reader are indicated by "PDF" with file size in parentheses.

Location map and description of physiography, geology, climate, water, soils, biological resources, and land use (PDF; 74 KB).

This MLRA is subdivided into three Common Resource Areas.
  • CRAs 109.1 and 109.2 are served by the MLRA Soil Survey Office in Gallatin (PDF; 113 KB), Missouri. For additional information contact Melvin Simmons, Supervisory Soil Scientist.


  • CRA 109.3 is served by the MLRA Soil Survey Office in Fairfield (PDF; 113 KB), Iowa. For additional information contact Ryan Dermody, Soil Scientist.

The following document requires Microsoft Word.

Microsoft Word DocumentAvailable National Soil Survey Labratory Data for MLRA 109 (2.1 MB)

Use the "Find" command in Word to query for specific information for a given series.