Map 13 - The Jornada

R2E
R1E
R1W
F
R
SAN
ANDRES
MOUNTAINS
M
M
L
L
M
V
Fort
Selden
J-II
PT
DONA
#
T21S
L
JLM
JLM
T20S
R3E
J-I
L
O
ANA
M
R
LT
R
MOUNTAINS
SAN AGUSTIN
MOUNTAINS
O
oad
ada R
Jorn
R
RIO
L
# Organ
J-II
ROBLEDO
Dona
Ana
L
5
.,
25
F
e
Zon
Estim
­
ated
#
DA,
J-I
e Jor
D
hes
­ ood plai
I fl
F
#Mesilla
n
F
MOUNTAINS
T
benc
nada
10
LLM
R
of th
.,
ULM
J-I
tural
argin
Las
Cruces
70
O
struc
rn m
/(
#Fairacres
A
L
B
of
F
easte
FLOOD
F
ORGAN
J-I
/(
F
M
O
85
T23S
IR
#
R
V
70
JLM
T22S
O
/(
G
GRANDE
MOUNTAINS
O
R
C
PLAIN
Color Map 13
THE JORNADA I SURFACE, DEPOSITS OF THE ANCESTRAL RIO GRANDE,
AND INTERVENING BURIED SOILS SOUTH OF HIGHWAY 70
stable
Jornada
I
surface
rnada I
o
J
aces
d
sion surf
structe
da I ero
a
Recon
rn
o
J
t
Pos
A
scarp
4300 ft elev.
°
Ancestral
RioRio
Grande
and
flood
Ancestral
Grandealluvium
alluvium and
flood
plain plain
°
0
and
Bedrock Areas
L
M
R
V
?
stable
Jornada
I
D 4350 ft elev.
Estimated eastern margin of the Jornada I
flood plain and the boundary between it
and the reconstructed Jornada I piedmont
slope surface (see map above)
C
alluvium
nt slope
Piedmo
oils
buried s
B 4400 ft elev.
ce
surfa
faces
da I
a
s
n
r
n ur
Jo
rosio
e
d
I
e
and
t
a
c
d
alluvium
nstru
Jorna
t slope
n
Post
Reco
o
m
d
Pie
oils
buried s
Ancestral
Rio Grande
alluvium and
plain
Ancestral
Rio Grande
alluvium
andflood
flood
plain
2000
Includes areas of soils classified
at the great group level and above.
Small bedrock areas not designated
(see detailed map in Volume III).
scarp
4270 ft elev.
4000
Sedimentary
Intermediate
Intrusive
Rhyolite
Volcanic (undiff.)
?
6000
8000
10000
feet
Approximate eastern boundary of known deposits of the ancestral Rio Grande
Scarp marking the present boundary between piedmont slope alluvium and the exhumed river alluvium
Estimated boundary of the reconstructed Jornada I piedmont slope surface and the Jornada I flood plain
1
N
1
0
0
1
1
2
2
3
4
3 Miles
5
6 Kilometers
Mapping by the Spatial Data Laboratory, United States Department of Agriculture, Agricultural Research Service,
Jornada Experimental Range with funding and support by the USDA and the National Science Foundation Jornada
Long-Term Ecological Research (LTER) program (Grant DEB-94-11971). Map date: 23 Aug 2003.