Hole, Allen David,1866-1940, Kelly, B. W. (Soil surveyor), Baldwin, Mark (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 Resources, Indiana. Scale approximately 1:86,000 Soils surveyed in 1911 by Allen D. Hole, assisted by B.W. Kelly, Mark Baldwin, and W.A. Roberts.