Greene County is located in western central Iowa in the central tier of counties north and south and in the fourth tier of counties east of the Missouri River., It is in the Wisconsin drift soil area and hence the soils of the county are all of glacial origin.
Stevenson, W. H. and Brown, P. E., "Soil Survey of Iowa, Report No. 44—Greene County Soils" (1927). Soil Survey Reports. 33.