Hancock, McDonough, Schuyler counties.
Campbell's topographical & sectional map of Hancock, McDonough, Schuyler counties. (Drawn by R.A. Campbell and H.F. Walling). Entered ... 1869 by R.A. Campbell ... Pennsylvania. (1870)
Campbell, R.A.
1870
S.A. Mitchell, Jr.
1:350 000