210 GLOSSARY 
ment may be renewed by the Supervisor at his dis- 
cretion. The duties of a guard are practically the 
same as those of a Ranger, the chief distinction be- 
tween the two positions lying in the precedence of 
the latter by virtue of its superior grade in the Civil 
Service lists. 
Forest Ranger 
The administrative field man of the Forest Service. 
Each National Forest is administered from headquar- 
ters by a Forest Supervisor. Under him are several 
rangers, each living on a Ranger District in quarters 
provided by the Forest Service and responsible for the 
conduct of Forest Service business in his territory. 
But the Ranger like the Forest Assistant is liable to 
assignment for a time to some special project—such 
as Reconnaissance, for example. 
Forest Supervisor 
The man in charge of a National Forest, and responsi- 
ble for its proper administration to the District For- 
ester. 
Gila : 
Pronounced ‘‘ Hee-la,’’ the Spanish G having the sound 
of H. The name of a river in New Mexico, and of the 
National Forest, covering over a million acres, whose 
headquarters are at Silver City. It includes the Black 
Range within its boundaries. 
Jack. Jinny 
The male and female, respectively, of the Burro species. 
Jacob’s Staff 
A name which has been since the middle ages given 
to many forms of staff or weapon, especially a pil- 
grim’s staff. In surveying, the Jacob’s Staff is a 
round, straight rod something like a broom handle, 
about four feet long, pointed and iron-shod at the 
bottom and having a socket joint at the top. When 
