GANNETT. 
ATLANTIC SECTION OF TOPOGRAPHY. 
25 
NEW HAMPSHIRE. 
TRIANGULATION STATIONS. 
Two fifteen-minute quadrangles in the southern portion of the 
State, covering portions of Ilillsboro and Rockingham counties, were 
controlled by Mr. George T. Hawkins, who occupied six triangulation 
stations and located three others by intersections in May, 1903. 
This work is based upon the positions of Unkonoonuc and Mason, 
United Stales standard datum of the Coast and Geodetic Survey. 
FEDERAL, HILLSBORO COUNTY. 
In the town of Milford, on the north slope of Federal Hill, 2\ miles 
south of village of Milford, on land owned b}' Mr. Jewett and one- 
fourth mile east of his residence. The highest part of the hill is 
about 500 feet south of station and covered with high pine timber. 
Station located on north slope in order to see other signals. 
Station mark : A bronze triangulation tablet cemented in solid ledge 
of granite. 
[Latitude 42 r 48' 21.09". Longitude 71 37' 55.12".] 
T< > station — 
Azimuth. 
Back azimuth. 
Log. distance. 
o , „ 
o / // 
Meters. 
Mason . _ . 
08 18 40.0 
248 11 24.9 
4.20218 
Mount Vernon 
163 19 21.9 
343 17 51.9 
4.01970 
Unkonoonuc 
190 08 54.0 
10 10 40.0 
4.30159 
Turkey 
233 54 48.0 
53 59 07.9 
4. 02994 
HUDSON, HILLSBORO COUNTY. 
Is in town of Hudson, 4 miles northeast of Nashua, on bald hill 
(except for growth of pines on west end which prevents sight to 
Nashua), on land owned by Mr. A. C. Cross, and 200 yards south- 
west of his residence. 
Station mark: A bronze triangulation tablet set in granite ledge. 
[Latitude 42° 47' 07.24 ". Longitude 71° 23" 35.20".] 
To station- 
Turkey 
Derry _ . 
Azimuth. 
128 20 48.0 
185 34 45.9 
Back azimuth. 
308 15 23.2 
5 35 23.7 
Log. distance. 
Meters. 
4. 14157 
4. 11220 
