[aprssig] APRS in caves! (mammoth map)

[Lynn W. Deffenbaugh (Mr)]

On 11/19/2012 4:58 PM, Robert Bruninga wrote:
> Mammoth cave underlay on local terrain map is now complete.  The map has a
> LAT/LONG grid on the sides so one can pinpoint one's position into the HT
> underground to the same 0.01 Minute of LAT/LONG as on the surface.
>
> See http://aprs.org/cave-link.html
>

What am I missing?  I've zoomed in on the 1Mbyte GIF image but I'm not 
seeing any indications of lat/long on that map?  Do you at least have 
the coordinates of the corners of the map?  And what projection is it 
using for proper N/S scaling?

Lynn (D) - KJ4ERJ - Author of APRSISCE for Windows Mobile and Win32