Maps·1925
Big Long Lake sounded to the foot in 1925

This sheet is held by the Indiana State Library, whose server does not allow another site to load it tile by tile, so it cannot be zoomed here. The full item is linked below and zooms there.
Map of Big Long Lake showing depth contours, Indiana Department of Conservation, Division of Fish and Game, surveyed by W. M. Tucker, 1925
Map Collection, Indiana Division, Indiana State Library
This material is in the Public Domain. No restrictions on its use. Please cite using the Required Credit Line.
Served at 8920 by 9000, against a declared 10038 by 10128.