"GERONIMO
NAMED FOR THE REBELLIOUS MEDICINE
MAN WHO LED THE CHIRICUHUA APACHES
ON THEIR LAST RAIDS, TO SURRENDER,
AND THEN INTO EXILE IN FLORIDA AND
OKLAHOMA. THEIR DESCENDANTS LIVED
IN EASTERN ARIZONA AGAIN. THIS WAS
ALSO THE SITE OF THE ORIGINAL CAMP THOMAS
ESTABLISHED IN 1876 TO KEEP GERONIMO'S
TRIBESMAN ON THEIR FARMLANDS
ALONG THE GILA RIVER.
[...]"
The map pin is an approximate location. If you are traveling on US 70 you will find it somewhere between Bylas and Ft. Thomas on the north side of the road.
Photo by: Brian Seek
https://www.flickr.com/photos/squawkamole/