File:Map Of Chesterfield Square Neighborhood Of Los Angeles California.jpg
Note at bottom right of map on the L.A. Times website noted above says "CC-by-SA" (which gives permission to use the map). There is a link there to https://creativecommons.org/licenses/by-sa/2.0, which explains the meaning thereof. The base map is credited to http://www.openstreetmap.org/
The Times spells all this out at http://projects.latimes.com/mapping-la/about/#the-data
(Reusing this file)