What is this "CIA Facility List" on the USPS.com web site?

Anon wonders what this is doing within USPS.com web site? Does it have something to do with "voter's influence?"

Page Header: CIA_FacilityList_02222012.xls - facility-list02222012.pdf

https://about.usps.com/news/facility-studies/assets/pdf/facility-list-02222012.pdf

Also, another anon mentioned finding this while poking around on the dig (which this definitely is voter's influence):

https://www.deliverthewin.com/wp-content/uploads/USPS_The_Media_Mix_Whitepaper.pdf

THE MEDIA MIX

"Integrating Mail to Influence Voters"

A United States Postal Service and American Association of Political Consultants (AAPC) study