B/W chart showing the sketch showing the progress of the Triangulation in Tennessee, Northern Georgia, and Alabama June 30, 1888 during the year ending in June 30th, 1887.
Map of Tennessee, Northern Georgia, and Alabama, 1888
Chart 6. Ssurvey sketch showing the progress of the Triangulation in Tennessee, Northern Georgia, and Alabama June 30, 1888. June 30, 1888.