| Soil survey of Clay County, Kansas |
Thorp, James; Davis, R.H.; and Lyons, E.S. |
U.S. Department of Agriculture, Bureau of Chemistry and Soils series 1926, no. 26, 31 pages |
1930 |
N/A
|
| Soil survey of Doniphan County, Kansas |
Knobel, E.W.; Davis, R.H.; and Higbee, H.W. |
U.S. Department of Agriculture, Bureau of Chemistry and Soils series 1927, no. 25, 34 pages |
1931 |
N/A
|
| Soil survey of Johnson County, Kansas |
Knobel, E.W.; and Davis, R.H. |
U.S. Department of Agriculture, Bureau of Chemistry and Soils series 1928, no. 17, 32 pages |
1932 |
N/A
|