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Illinois River Survey - 1903

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(@ruff-surveyor)
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We found 2 of these monuments recently while working on different boundary surveys.  Does anyone have any information about this survey or where I can get some information?  From what I have been able to find:

This survey was commissioned by the federal government, and I am pretty sure it was completed for the design of the Illinois River Lock and Dam system.  I am interested in the survey because I believe this survey probably located Section Corners that have been lost due to the construction of the lock and dam system.  I have emailed the state archives but they said they did not have any information.  

Both of these monuments were located on top of the river bluff.  I know one is listed with NGS not sure about the other one.

37CB61F2 B37E 4594 AE2E E35A1C225B99
IMG 3681

 

 

 
Posted : April 18, 2023 11:13 am