SVG source of field hockey diagram.  Created by Robert Merkel using Sodipodi and placed in the public domain by the author.
Slovak version by user:Najnaj.
Bitmap version:

en:Image:hockey_field_large.png
Originally from en.wikipedia; description page is (was) here

08:52, 22 July 2003 Robert Merkel 0x0 (33,585 bytes) (SVG source of field hockey diagram.  Created by Robert Merkel using Sodipodi and placed in the public domain by the author)
User Robert Merkel on en.wikipedia