The cache is not at the posted coordinates.  To find the cache you must complete the Adventure Lab and get the clues needed.

This is a Bonus cache!
 

The cache is located at N49 58.PQR W098 16.XYZ.

Solve the puzzle by completing the nearby Adventure Lab Cache, "Portage's Designated Heritage Sites". Watch for the numbers as you complete each location.

Enter the corrected coordinates into the geo-checker below. The Adventure Lab Cache will take you to five Designated Heritage Sites in Portage la Prairie. Each location will count as a find on your geocaching profile. The bonus cache is in a small birdhouse.

Click on the Adventure Lab logo above to get started. 

You will need to download the Adventure Lab app to your smartphone.