WILSON ET AL.] ARIZONA. 135 
All bench marks depending on this datum are marked "PHNX" 
in addition to the figures of elevation. 
Tempe and Florence Quadrangles. 
phcenix, via maricopa, ph03nix and salt river valley railroad, 
TO TEMPE. 
Feet. 
Phoenix, Maricopa County court-house, north front of; in projection at 
northwest corner, 15 feet west of main entrance, 3 feet above ground; 
aluminum tablet, marked "1090 PHNX" 1,089.910 
Phoenix, opposite Santa Fe, Prescott and Phoenix Railroad station, top 
of rail 1,081.5 
Phoenix; on east side of Seventh street, 100 feet southeast of Maricopa, 
Phoenix and Salt River Valley Railroad station, between two cotton- 
wood trees; iron post, marked " 1083 PHNX " 1, 082. 920 
Phcenix, opposite Maricopa, Phoenix and Salt River Valley Railroad sta- 
tion, top of rail .__... 1,082 
Phoenix, 4 miles east of; on west side of public road, 16 feet south of 
track: iron post, marked "1132 PHNX" 1,131.883 
Bridge over Salt River, top of rail ...... .... 1 , 165 
Tempe. opposite station, top of rail _. 1, 159 
Tempe, at north end of station, 50 feet east of main track; iron post, 
marked "1158 PHNX" 1,158.077 
TEMPE, ALONG MARICOPA. PHCENIX AND SALT RIVER VALLEY RAILROAD, 
TO MESA. 
Tempe, %\ miles southeast of; on south side of public road, opposite to 
road running north; iron post, marked "1177 PHNX '* 1. 177.063 
Mesa station, \\ miles northwest of ; at northeast corner of crossroads, 
30 feet north of track; iron post, marked " 1235 PHNX " 1, 235. 109 
Mesa, 250 feet southwest of station; near corner of wire fence on east 
side of public road ; iron post, marked ' ; 1244 PHNX " 1 , 244. 074 
MESA, ALONG FLORENCE ROAD, TO DESERT WELL. 
Mesa, 0.5 mile east and 0.5 mile south of; crossroads 1 mile south of 
mill, ground . 1,233 
Mesa, 3 miles southeast of; by a wire fence corner at southeast corner 
of crossroads; iron post, marked "1243 PHNX" 1,243.146 
Highland Canal , floor of bridge over 1 , 253 
Mesa, &i miles southeast of; 60 feet south of road on north side of giant 
cactus about 30 feet high; iron post, marked " 1295 PHNX" .... 1, 295. 179 
Desert Well, 5£ miles northwest of; 20 feet northeast of road at point 
where road forks into two wagon tracks; iron post, marked "1351 
PHNX".. 1,350.917 
Desert Well, 2£ miles northwest of; northeast side of road at bend, 25 
feet southeast of small drain; iron post, marked " 1407 PHNX". .. ... 1, 407.092 
Desert Well, at northeast corner of fence inclosing Thos. Buchanan's 
residence; iron post, marked "1446 PHNX" 1,446.035 
DESERT WELL ALONG PUBLIC ROADS TO FLORENCE. 
Desert Well, 3 miles southeast of; on southwest side of road; iron post, 
marked "1490 PHNX" 1,489.970 
Desert Well, 6 miles southeast of; on northeast side of road; iron post, 
marked "1592 PHNX" 1,542.047 
