A
A. M. O'Neal
1881
9 works on record
Works

Your soil, crumbly or cloddy?
1952
Soil survey of Pocahontas County, Iowa
Soil survey of Pocahontas County, Iowa
1932
Soil survey of Carroll County, Iowa
Soil survey of Carroll County, Iowa
1930
Soil survey of Warren County, Iowa
Soil survey of Warren County, Iowa
1929
Soil survey of Jones County, Iowa
Soil survey of Jones County, Iowa
1928
Soil survey of Clarke County, Iowa
Soil survey of Clarke County, Iowa
1926
Soil survey of Lyon County, Iowa
Soil survey of Lyon County, Iowa
Soil survey of Pickens County, Alabama
Soil survey of Pickens County, Alabama
Soil survey of Cedar County, Iowa
Soil survey of Cedar County, Iowa