orized
conventional signs as given in the manual of "Conventional Signs,
United States Army Maps," are used.

Abbreviations other than those given should not be used.

ABBREVIATIONS.

A. Arroyo. L. S. S. Life-Saving Station.
abut. Abutment. L. H. Lighthouse
Ar. Arch. Long. Longitude.
b. Brick. Mt. Mountain.
B. S. Blacksmith Shop. Mts. Mountains.
bot. Bottom. N. North.
Br. Branch. n. f. Not fordable.
br. Bridge. P. Pier.
C. Cape. pk. Plank.
cem. Cemetery. P. O. Post Office
con. Concrete. Pt. Point.
cov. Covered. q.p Queen-post
Cr. Creek. R. River.
d. Deep. R. H. Roundhouse.
cul. Culvert. R. R. Railroad.
D. S. Drug Store. S. South.
E. East. s. Steel.
Est. Estuary. S. H. Schoolhouse.
f. Fordable. S. M. Sawmill.
Ft. Fort. Sta. Station.
G. S General Store. st. Stone.
gir. Girder. str. Stream.
G. M. Gristmill. T. G. Tollgate.
I. Iron. Tres. Trestle.
I. Island. tr. Truss.
Jc. Junction. W. T. Water Tank.
k.p. King-post. W. W. Water Works.
L. Lake. W. West.
Lat. Latitude. w. Wood.
Ldg. Landing. wd. Wide.

[Illustration: SIGNS--FIELD MAPS AND SKETCHES]

[Illustration]

MESSAGE BLANKS

[Illustration]

The heading "From" is filled in with the _name_ of the
detachment sending the information: as "Officer's Patrol, 7th
Cav." Messages sent on the same day from the same source to the
same person are numbered consecutively. The address is written
briefly, thus: "Commanding officer, Outpost, 1st Brigade," In
the signature the writer's surname only and rank are given.

This blank is four and a half by six and three quarters-inches,
including the margin on the left for binding. The back is ruled
in squares, the side of each square representing 100 yards on a
scale of 3 inches to one mile, for use in making simple sketches
explanatory of the message. It is issued by the Signal Corps in
blocks of fort