Section Ties
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Section Corner Information and Downloads

Since 1991 the Marion County Surveyor has determined precise State Plane coordinates of section corners and aerial photography control points, utilizing Global Positioning System (GPS) satellite technology.

Congressional Township Map

Scanned tie-sheets for most Section Corners (and other selected geodetic control monuments) in Marion County, Indiana are available by selecting the appropriate Township/Range. Tie sheets are in Adobe Acrobat .pdf format, at a page size of 8.5" x 14" (legal).

 Search for Tie Sheets

Naming Conventions

The naming convention for section corners in Marion County is:


Coordinates are available in Indiana State Plane, East Zone 1301 (NAD83, NAVD88) meters, International Feet, and US Survey Feet.

US Survey and International Foot Translation Table

 US Survey foot  1 inch = 2.540005 cm  1 meter = 39.37 in exactly
 Int'l foot 1 inch = 2.54 cm exactly 1 meter = 39.370078 in 


To get US Survey feet from meters, multiply meters x 3.280833333

To get International feet from meters, multiply meters x 3.280839895

If you have questions please feel free to contact the Marion County Surveyor's Office at

Marion County Surveyor's Office

200 E Washington (CCB742)

Indianapolis, IN 46204

(317) 327-4150