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Since this is a list of NRHP listings in just the city of Pittsburgh, the column for City is not particularly helpful. Perhaps that could be used instead to identify neighborhoods? I wonder, is there an official partition of Pittsburgh into planning districts or other divisions, which could be used to classify the NRHP listings here.
Unlike Philadelphia, for example, there is an official partition with exact and obvious boundaries. Go to this city webpage, and you'll get a map of the city with neighborhood boundaries marked. Click on any neighborhood, and you'll get a streetlevel map; although it can't be zoomed in, toward the top there's a link to download a PDF that can easily be zoomed in. The only sites that wouldn't be easy to plot with these maps would be address-restricted, but we don't have any in Pittsburgh :-) Nyttend (talk) 21:02, 6 January 2009 (UTC)
I started adding the neighborhoods to the list. I overlayed the map that Nyttend found in Google Earth, imported all the coordinates from list and just saw where they landed. By the way could someone doublecheck Fulton Log House and Garden-Bailey House and see if they should be moved to the county list because I think the are outside the city limits (the location provided for Fulton Log House being way off). --D.B.talk•contribs 02:22, 7 January 2009 (UTC)
Great job! I don't have the time right now, so I can check later. Being the photographer for the Gardern-Bailey House, I know it's not in Pittsburgh: it's in the adjacent borough of Edgewood. This isn't the only one like this; there was at least one (and I think more than one) in Wilkinsburg, also a borough just east of Pittsburgh's far eastern edge, that was included in this list. Nyttend (talk) 05:10, 7 January 2009 (UTC)
I've checked and moved both. Upper St. Clair Township (often called Upper St. Clair), indeed, is outside the city, as well as is the borough of Edgewood. Nyttend (talk) 05:07, 8 January 2009 (UTC)
I'm starting to second guess myself on another site. The coordinates provided for the John Frew House put it in Oakwood, but the address in Google Earth put it in Crafton. I couldn't spot the house with the aerial photos in Google Earth and couldn't confirm one or the other. I should be able to get to the others some time tomorrow. --D.B.talk•contribs 05:23, 8 January 2009 (UTC)
[unindent]I can confirm that it's not in Pittsburgh. Again, no time to move it to the county list, but I should be able to soon. Look at the place on Google Maps: at the intersection of Sterrett and Barr, for example, you can see green street signs. Pittsburgh uses blue signs (see my picture of Third Presbyterian Church), so anywhere with green is outside of Pittsburgh. Moreover, the Oakwood map lists the street as Poplar, not Sterrett; apparently it changes at the municipal border. Just need a little local knowledge — and lest you think I'm boasting, see this edit that reverted my error :-) Nyttend (talk) 06:02, 8 January 2009 (UTC)
House is moved. I've also blanked the "neighborhood" lines for those properties still listed simply as Pittsburgh, figuring that this might make it easier for you to see at a glance where you've already worked. Nyttend (talk) 18:29, 8 January 2009 (UTC)
Found another two, Homestead Historic District in Homestead, PA and Longfellow School in Swissvale, PA. --D.B.talk•contribs 20:45, 8 January 2009 (UTC)
This is really annoying...would that the NRIS listed them where they actually were! If you don't mind, I'm just going to wait until you're done with the rest of the table. Thanks for putting in the time and effort :-) Nyttend (talk) 23:45, 8 January 2009 (UTC)
Finished! With only one more site that needs to be moved (Nicholas Way House in Edgeworth, PA). Now I want to actually go to Pittsburgh to see all those neighborhoods I've been adding. --D.B.talk•contribs 00:36, 9 January 2009 (UTC)
Awesome! Ur example got me energized to do similarly for List of RHPs in Baltimore, whose RHPs are now identified for which of 9 official districts they are located in. Some more cleanup to the 5 list-articles there is still needed, but i sure know a lot more about Baltimore than i did before, and am similarly interested in visiting there too. cheers, doncram (talk) 22:56, 11 January 2009 (UTC)