Descriptions of Stations 



171 



NORTH AMERICA. 



United States continued. 



Presidio (San Francisco), California, 1905. The station 

 of the U. S. Coast and Geodotic Survey of 1904, at 

 the triangulation station on Presidio Hill, northwest 

 of gate on south side of Presidio grounds at the edge 

 of the woods, was rcoccupied; marked by stone post 

 6 inches (15 cm.) square on top, projecting 6 inches 

 (15 cm.) al)ove ground and lettered on top U. S. C. 

 & G. Surv-cy, 1881. The following true bearings have 

 been determined: cross on Lone Mountain, 325 53'.8; 

 center of top of Drake Cross, 27 03'. 7. 



Ram Head, Ram Island, New York, 1910. On the extreme 

 southeasterly tongue of Ram Island, on low-lying 

 sand beach, about 100 yards (91 meters) from end of 

 point projecting into the entrance to Coecles Harbor, 

 and in middle of the tongue in an east-and-wcst 

 direction. The following true bearings were deter- 

 mined: Cedar Island Light, middle of lantern, 

 iSi 2i'A; cross on spire of St. Mary's Episcopal 

 Church, 92 37'.7. 



Sammy's Beach, New York, 1909. On a sandy ridge about 

 midway of the length of the beach, and about 100 

 feet (30 meters) from the shore line; marked by 

 granite post 6 by 6 by 30-4nches (15 by 15 by 76 cm.) 

 lettered on top C. I. W. 1909, with a small drill hole 

 at center marking the precise point. 



San Diego, California, 1905, 1906. Five stations were 

 established here; these are designated as San Diego I, 

 Secondary, II, III, and C. & G. S., 1897. 



The first, San Diego I, is near the northern point 

 of North Coronado Beach Island; near the shore of 

 the bay, facing the city, about 320 paces west of the 

 west corner of engine house of Marine Railway 

 (Spreckels) and 58 paces from road that runs along the 

 beach. Beacon No. 10 bears approximately north- 

 northwest from the station, which is marked by a 

 spruce post, 6 by 6 by 50 inches (15 by 15 by 127 cm.) 

 set with its faces approximately with the cardinal points 

 and projecting about 1 foot (30 cm.) above the surface; 

 the letters C. I. are cut on the north face and 1905 

 on the south face. The following true bearings were 

 determined: School of Theosophy, 96 47'.8; stand 

 pipe, 187 54'.2; flagpole on south tower of Coronado 

 Hotel, 338 38'.4. A secondary station, designated 

 as secondary station, was established 50 feet (15.2 

 meters) south-southeastward in the line toward the 

 Coronado Hotel from San Diego I. 



San Diego II is on the northwest portion of North 

 Coronado Beach Island, about midway between the 

 C. & G. S. station at Quarantine and Station I; 

 about 75 yards (69 meters) from the northwest beach 

 of North Coronado Beach Island, and in the line 

 joining Harbor Beacon No. 2 and the south end of 

 the most southerly building on Quarantine Wharf; 

 marked by a redwood post 4 by 6 by 44 inches (10 by 

 15 by 112 cm.) projecting about 8 inches (20 cm.) 

 above ground. The letters C.I. and the numeral II 

 are cut on the two faces which face the north and 

 south respectively. The following true bearings were 

 determined : south tower of Coronado Hotel, 306 40'. 8 ; 

 old lighthouse. Point Loma, 33 37'.7; central dome, 

 School of Theosophy, 117 28'.1. 



San Diego HI is on the north shore of San Diego 

 Bay, on a low beach northwest of Dutch Flat, and 

 about 100 yards (91 meters) north 25 east of a 

 triangulation signal on the sand spit; marked by 

 redw-ood post 4 by 6 by 52 inches (10 by 15 by 132 

 cm.) extending about 10 inches (25 cm.) above 

 ground and having the letters C. I. cut in the north 

 face, and a hole near the center of the top. The 

 following true bearings were determined; south tower 



NORTH AMERICA. 



United States continued. 



San Diego, California, 1905, 1906 continued. 



of Coronado Hotel, 337 19'. 7; old lighthouse. Point 

 Loma, 24 08'.1; School of Theosophy, 63 28'. 1. 



The C. & G. S. 1897 station, occupied in 1905, is 

 that established by the Coast and Geodetic Survey 

 in 1897. It is in the southeast portion of the city, 

 about 150 feet (46 meters) southwest of where 

 Seventh and Fir streets would intersect if extended 

 into the park; marked by redwood post 4 by 4 by 36 

 inches (10 by 10 by 91 cm.) projecting about 1 foot 

 (0.3 meter) out of ground, lettered U. S. MAG. and 

 1897 on its north and west vertical faces respectively. 



San Rafael, California, 1905, 1908. There are three 

 stations, two being those of the U. S. Coast and 

 Geodetic Survey of 1897. They are 1.1 miles (1.8 

 kilometers) northwestward from the county court- 

 house, on the eastern slope and near the top of a hill, 

 about 375 feet (115 meters) distant from one of the 

 water company's reservoirs. There is a meridian line 

 marked by two marble posts 8 by 8 by 48 inches 

 (20 by 20 by 122 cm.) projecting about 24 inches 

 (61 cm.) above the surface of the ground; the north 

 stone is lettered U. S. C. & G. S. on its west vertical 

 face, MAG. ST.'\. on the south face, and 1897 on the 

 east face, and bears a cross on its upper face marking 

 the exact point. The south stone is set about 2300 

 feet (701 meters) true south of the station, its north 

 vertical face being lettered MER. MARK., the east 

 face U. S. C. & G. S., and the west face 1897. 



In 1897, 1905, and 1908, dip circle observations 

 were made at a point, designated as dip station, 50 feet 

 (IS meters) from the north stone, and magnetometer 

 observations were made at a point, designated as 

 magnetometer station, 10 feet (3.0 meters) from the 

 north stone in the extension of the line from flagstaff 

 on the county courthouse to the north stone. In 

 1908 observations were also made over the north 

 pier. The flagpole on county courthouse is in true 

 bearing 289 46'.0. 



Sault Ste. Marie, Michigan, 1906. Same as the U. S. Coast 

 and Geodetic Survey station established in 1902, in a 

 large field west and south of the administration 

 building at new site of Fort Brady; 94 paces south of 

 a small brick powder magazine and 69 paces from 

 wire fence along the road south of station; marked 

 by a limestone post 652 by 8 by 42 inches (16 by 

 20 by 107 cm.) set flush with ground and lettered 

 U. S. C. & G. S. 1902. The iron flagstaff on east side 

 of parade grounds is in true bearing 254 23'.8. 



Shelter Island Heights, A, New York, 1910. In the field 

 between Miss E. G. Duvall's cottage and the Oxford 

 House. 



Sitka, Alaska, 1907. Two stations occupied; the principal 

 pier in the Sitka auxiliary magnetic observatory of 

 U. S. Coast and Geodetic Survey, and in the regular 

 absolute house. 



Swampscott, Massachusetts, 1906. Station A is in the 

 grounds at the rear of Phillips School situated on a 

 high bluff above the town; marked by the middle of a 

 natural depression near the center of a large rock, 

 about 12 feet (4 meters) in diameter, northeast of the 

 school building and 66 paces from northeast corner of 

 main building, and 51 paces from, northeast corner of 

 small addition on the east end of the building. The 

 following true bearings were determined: east corner 

 of school building 31 11'. 8; west corner of school 

 building, 67 36'. 2. Station B is on the southeast 

 corner of a large rock jutting out into the harbor 

 back of the third house east of 217 Humphrey Avenue. 

 Tower on Lincoln Hotel is in true bearing 300 34'.3. 



