Looks like it happened on December 17, 2014 --
http://www.gpo.gov/newsroom-media/presspage/14presspage27

On Sun, May 24, 2015 at 8:27 AM, Virginia R Hetrick, PhD <[log in to unmask]>
wrote:

> When did it come to stand for Publishing rather than 0riñtiñg?  Inquiring
> minds want to know!
>
> Why the question came up for me is that Carlos forwarded a copy of the
> email he received in response to his SuDoc query to the GPO, regardless of
> what the P Stans for.
>
> Thanks.
>
> virginia
> On May 23, 2015 21:04, "MAPS-L automatic digest system" <
> [log in to unmask]> wrote:
>
>> There is 1 message totaling 380 lines in this issue.
>>
>> Topics of the day:
>>
>>   1. 2010 Census Block Maps SuDocs
>>
>> ----------------------------------------------------------------------
>>
>> Date:    Sat, 23 May 2015 20:24:54 +0000
>> From:    Carlos Diaz <[log in to unmask]>
>> Subject: 2010 Census Block Maps SuDocs
>>
>> A while back, I sent an email to GPO asking for the SuDocs for the 2010
>> Census block maps. As you know, you now have to download those maps if you
>> want them as part of your collection. Of course, you need a maps plotter to
>> print them out (here's your chance to ask your library to get one for
>> you...to update your maps collection for topographic maps and nautical
>> charts you need to print them out as well).
>>
>>
>> Anywho, here's GPO's response to a SuDocs for the 2010 Census block maps.
>>
>> Hello Carlos A. Diaz,
>>
>> I'm very sorry that your first request never received a response.
>>
>> The CGP now has a record  for the Census Bureau reference maps (found at:
>> http://purl.fdlp.gov/GPO/gpo57521)    The new item number and SuDoc are:
>> 0159-G-55 and C 3.223/11:   Since the 2010 Census Block Maps are part of
>> this collection this is the SuDoc stem you could use.
>> Please see CGP sys# 949321 or OCLC# 857906362.
>>
>> Thank you very much for contacting the U.S. Government Publishing Office
>> and for your continued support of the Federal Depository Library Program.
>> If you need further assistance, please feel free to contact us again.
>>
>> Dawn M. Pavao
>> Technical Services Librarian
>> Library Technical Information Services
>> U.S. Government Publishing Office
>> 732 North Capitol St, NW
>> Washington, DC 20401
>> Phone 202.512.2010 ext 31701
>> Fax 202.512.1432
>> Email [log in to unmask]
>>
>> Carlos A. Diaz
>> Government Publications, Maps, and Microforms
>> James E. Brooks Library
>> Central Washington University
>> Mailstop 7548
>> Ellensburg, WA 98926
>> [log in to unmask]
>> 509.963.1545
>> 509.963.1541 (public service desk)
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>> ------------------------------
>>
>> End of MAPS-L Digest - 22 May 2015 to 23 May 2015 (#2015-99)
>> ************************************************************
>>
>


-- 
Ryan Mattke
Head, John R. Borchert Map Library
University of Minnesota
S-76 Wilson Library
309 19th Ave South
Minneapolis, MN 55455

Phone: 612.624.5757
Email: [log in to unmask]
Web: http://www.lib.umn.edu/borchert <https://www.lib.umn.edu/borchert>