"Field Operations, Bureau of Soils, 1915." Detached from: Soil survey of Wells County / W. E. Tharp and W. E. Wiley. In Fortieth annual report of Department of Geology and Natural Resources, Indiana ... 1915. [Fort Wayne, Ind.] : Fort Wayne Printing Company, 1916.
Imprint: [Fort Wayne]: [Fort Wayne Printing Company], [1916]; Imprint: [Indianapolis] : State of Indiana, Department of Geology, [1916]
Dimensions: 58 x 48 cm; Scale: 1:63,360. 1 in. = 1 mile