1911. Baldwin, Mark (Soil surveyor), Hole, Allen David, 1866-1940, Kelly, B. W. (Soil surveyor), and Roberts, W. A. (Soil surveyor). Detached from: Soil survey of Hancock, Shelby, and Johnson counties / Allen David Hole. In 36th Annual report of Department of Geology and Natural ... Indiana Department of Geology and Natural Resources and William B. Burford.