U.S. DEPARTMENT OF THE INTERIOR U. S. GEOLOGICAL SURVEY ½¼ 4400 5'
60
6
4600
61
6
62
6
2'30"
440 0
63
6
6
65
64
6
6
CALIFORNIA-MODOC CO. 7.5-MINUTE SERIES 121°00'
67
6
66
6
6830000 FEET
4800
41°22'30"
82000mN
45 4600
½¼
480 0
4600
82
45
Cat Hill
½¼
4400
Post Canyon 4400
4600 4800
4400 CO RD 85
4800 CO
RD 85
4400
81
420 0
440 0
Ostrom Point
81
45
L 41N10
Pit Riv
L
e
40N48A
r
S ton
440 0
P
80
45
ve
4600
430 0
Ri it
½¼ ½¼ ½¼ ½¼
r
r
41N10
41N10
4400
Allen Butte
L
L
er
4400
P i t Ri v e
Pit Riv
41N10
FEET
½
440 0
480 0
L
440 0
L
H"
40N48
½¼ ½¼
H "
Miller Gulch
0 48
0 440
41N23
0
41N11B
4400
0 46 0
0 46 0
0 460
4800
½¼ Pine Spring
î
4800
4400
50 00
" H
50 0 0
½¼
0 54
460 0
78
L
"H
0
45
î
Twin Lake s
0 52
0
5200
0 480
½¼
0 560
0
Rattlesnake Butte
½¼
L 41N11C
520 0
L
L 41N11F
½¼
0
½¼
L
5400
54 0
0
0
Miller Flat
0 60 00
½¼ 480 0
Cove Spring
½¼ 76
45
0 54 0
56 0
580 0
5800
0
5800
6000
î
50 0
440 0
î
77
45
Quaking Aspen Spring
41N09
r
76
½¼ ¼ ½
0 560
½¼
½¼
½¼
5200
40N12
20'
½¼ Miller Spring
520 0
½¼
45
0 50 0
5800
" H
78
L
41N11
540 0
0
0 480
56 0
R ive
0 48
½¼
+!
½¼
560 0
44 0
Pit
½¼
½¼ ½¼ ½¼ ½¼
½¼
½¼
41N11
40N37
Iron Mountain
Black Butte
520 0
1
L
½¼
0 520
½¼ ½¼
MODOC NATIONAL FOREST
0 540
0
0 50
77
45
0 54
20'
Eades Spring
½¼ ½¼
79
45
500 0
40N48
L
4 0 N 3 7 A
40N37B
½¼ ½¼
L
½¼
5000
79
45
80
45
4400
4500
40N37
½¼
L
MOD OC NATIO NAL FORE ST
L
500 0
45
2380000
e Co al C r
½¼ ¼
Pothole Gulch
î î
45
L
½¼
4600
4600
H"
4800
L
½¼ 73
45
½
5800
1
L 40N11
î
î î
4400
0 480
½¼ Fox
î
" H
Flat
0 420
71
5200
0
0 58 0
45
420 0
4400
?
540 0
Fl a
tC
60 0 0
L
L
MOD OC NATIO NAL FORE ST
4 0 N 1 9 A
540 0
70
600 0
45
39N17
40N27
72
480 0
L
580 0
40N38
560 0
L
4800
71
45
40N11
L½
L
5800
56 0
ch
Dutch Flat
0 560
1
Fox Draw
Du t
4 0 N 2 0 A
Fox Flat
50 0 0
45
17'30" Harper Spring
40N44
r
72
45
1
4 0 N 2 0
L
0
H"
H
39N17
40N17
" H "
L
0 54
½¼ ½¼
74
L 0
E G O U G ER NECK RD
540 0
45
Mud Spring
0
½¼
C O R D -9 0
17'30"
480 0
40N17
560 0
520
½¼
C O R D -9 0
1
½¼
a t Cr
L
40N17A
40N13Y
0 56
Howell Canyo n ¼
MODOC NATIONAL FOREST
420 0
Fl
L L
4 0 N 1 1 B
00 54
500 0
540 0
½¼ Andrews Spring
½¼
Studley Spring
50 00
50 0
0
"
0
5200
1
50 0 0
î
" H H
½¼ 0 50
4 0 N 1 1
75
45
5200
480 0
r Pit Rive
½¼
Spring
5400
ch
74
45
L
520 0
40N17B
½¼ Nichols
Halls ½¼ ½¼ Spring s
½¼
½¼
Deep Cut Spring
Dut
Halls Canyon
0 460
î
½¼
440 0
½¼
N
0
00
52 0
CANYO
42
560 0
39N17
5400
½¼
50 0 0
½¼
75
4800
45
40N11C
40N11D
Fox Mountain Spring
¼
L
5200
40N38
Fox Mountain
70
45
580 0
620 0
0 48 0
"
er
Turner Canyon
Hays Springs
6 810 000 FEET 660
n
1000
262 MILS
0
500
1
1° 17´ 23 MILS
½¼
KILOMETERS
0
METERS 0
0.5
65
1
2
1000
0
1000
2000
3000
4000
5000
6000
UTM GRID AND 2012 MAGNETIC NORTH DECLINATION AT CENTER OF SHEET
FEET
U.S. National Grid
CONTOUR INTERVAL 40 FEET NORTH AMERICAN VERTICAL DATUM OF 1988
100,000-m Square ID
FL
Grid Zone Designation
This map was produced to conform with the National Geospatial Program US Topo Product Standard, 2011. A metadata file associated with this product is draft version 0.6.1
8000
9000
10000
QUADRA NGLE LOC ATION
Crank Mountain
Happy Washington Camp Mountain Mountain
Donica Mountain
Halls Canyon
Adin Pass
Lookout
Big Swamp
Adin
Barber Ridge
Interstate Route
State Route
US Route
Local Road
Ramp
4WD
X W
Interstate Route
. /
US Route
J
FS Primary Route
K
FS Passenger Route
H L
ADJOINING 7.5' QUADRANGLES
2012
State Route
FS High Clearance Route
Check with local Forest Service unit for current travel conditions and restrictions.
North American Datum of 1983 (NAD83) World Geodetic System of 1984 (WGS84). Projection and 1 000-meter grid: Universal Transverse Mercator, Zone 10T 10 000-foot ticks: California Coordinate System of 1983 (zone 1)