1887
JOHNSON, Robert Underwood and BUEL (Clarence Clough)
1867
WOLFF, Niels August von.
1885
HENDERSON, J. T. Commissioner of Agriculture for Georgia
1885
HENDERSON, J. T. Commissioner of Agriculture for Georgia
1923
State of Tennessee, State geological survey
1:500k
1927
Departement of the Interior U. S. Geological Survey
1:500k
1868
BOKUM, Hermann.
1887
RILEY, B. F.
1884
Gray, Frank A.
1:900k
1924
Rand McNally and Company