I've found at least a dozen "Pay it Forward" caches in the Cedar Rapids area. Couple that with 800+ caches I've signed in Linn County, and I'd say I owe it to this dedicated group of geocachers to place a couple hides as a small token of my thanks. 

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As of the beginning of October 2020, there have been 215 In the Line of Duty Deaths this year, up from 147 in 2019. All-time, there have been nearly 25,000 officers who have passed away for doing their job. 

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At the posted coordinates you'll find a nice tribute to the Cedar Rapids Police Department's Thin Blue Line. You will need to use this memorial as well as the plaque on the ground in front of it to obtain final coordinates.

N41 58. A B C      W91 41. D E F

A = Third digit in year of plaque

B = Fourth digit in year of plaque

C = The oldest date of the End of Watch (EOW) was 1_85.

D = How many officers are on this memorial (as of this publication) minus number of letters in the last officer's first name (as of this publication)?

E = The second officer's EOW was January _.

F = In the center of the memorial are buildings. How many columns are on the far left?

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HERO

"An ordinary person facing extraordinary circumstances and acting with courage, honor and self sacrifice."

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You can validate your puzzle solution with certitude.