Illinois, Herrin quadrangle - topography - 5a4e9f7fba7854bd0213df9e775a5437
Summary
Surveyed in 1908.; ""Surveyed in cooperation with the State of Illinois.""; Relief indicated by contours and spot heights.; Scale 1:62,500
Date
1910
Source
University of Illinois Urbana-Champaign University Library
Copyright info
Public Domain