Muscatine county is situated in the southeastern part of Iowa along the Mississippi river and includes an area of 432 square miles or 276,480 acres. 'rhe county is almost rectangular in shape, with the exception of the irregular boundary on the southeast made by the Mississippi river. To the influence of this river is due the great variety in soil types and the wide range of soil conditions which make the study of the soils of the county of much importance.
Stevenson, W. H.; Brown, P. E.; and Johnson, H. W., "Soil Survey of Iowa, Report No. 3—Muscatine County" (1918). Soil Survey Reports. 3.