Descriptions of Stations 



335 



SOUTH AMERICA. 



Peru continued. 



Pamparca, Junin, 1917 continued. 



church tower in Marcatunac, 101 10'. 4; church tower 

 in San Antonio, 73,325 feet (22.3 km.), 187 21'.8; 

 church tower in Hualauyo, 41,687 feet (12.7 km.), 

 250 04'.2; stone marker on Cerro Cailpich, 289 

 46'.3; church tower in Iscos, 33,108 feet (10.1 km.), 

 345 55'.2. 



Station B is 809.9 feet (265.15 meters) northeast of 

 station A, in a line through station A and church 

 tower in Huayao, in second narrow grass path from 

 station A at right angles to roadway, and about 

 05 feet (19.8 meters) north-northwest from center 

 line of roadway; marked by a conical pile of boulders 

 about 20 inches (51 cm.) high. True bearings: 

 church tower in Huayao, 10,703 feet (3.3 km.), 59 

 34'.6; church tower in Huayucachi, 319 32'.7. 



Station C is 975.4 feet (297.30 meters) southeast of 

 station B, in line between station B and church 

 tower in Huayucachi, in second narrow grass path 

 from station B parallel to roadway, and is 1,415.5 

 leet (431.45 meters) east-southeast of station A, 

 nearly in a line through station A to church tower in 

 Marcatunac; marked by a conical pile of boulders, 

 about 20 inches (51 cm.) high. True bearings: church 

 tower in Marcatunac, 101 18'.7; church tower in 

 Huayucachi, 319 32'.7. (Distances given were de- 

 termined by triangulation.) 



Pisco, lea, 1917. Exact reoccupation of C. I. W. station 

 of 1912, about three-eighths mile (0.6 km.) north of 

 mole, in inclosed plot of ground east of ruined 

 smelter and in range with north wall of smelter, 40.6 

 meters and 29.8 meters respectively from north and 

 east fences of inclosed plot; marked by a brass tack 

 in top of wooden peg driven flush with ground and 

 covered with heap of small stones. True bearings: 

 east wireless mast, 1 32'.5; west wireless mast, 19 

 51'. 8; flagpole on clock-tower, 23 41'. 9; knob on 

 harbor light, 68 56'.2; most southerly of tliree church 

 towers in Pisco, 288 57'.2. 



Declination observations were also made at two 

 secondary stations, designated as E and N; E is 

 169.4 meters east-southeast from main station and in 

 line between main station and most southerly of three 

 church towers in Pisco, and N is 222.2 meters north 

 of main station and in line with east wireless tower 

 and main station. 



Pulumayo 1, Loreto, 1914. About 15 feet (4.6 meters) 

 from north and west shores of a' small island near 

 right bank of Putumayo River, about 10 or 12 miles 

 (16 or 19 km.) above mouth of Rio Igara-Parana. 



Putumayo 2, Loreto, 1914. On small low island near right 

 bank of river. 



Putumayo 3, Loreto, 1914. On small sand-bar in midstream. 



San Lorenzo Island (Callao Harbor), Lima, 1914. The 

 station of 1908 and 1912 was reoccupied. About 

 5.5 feet (1.7 meters) above and about 50 feet (15 

 meters) distant from ordinary high-water mark on 

 beach, and approximately United States Coast and 

 Geodetic Survey station of 1907; 79 feet (24.1 meters) 

 and 67.4 feet (20.54 meters) from northeast and south- 

 east corners of powder-magazine (marked "deposito 

 de explosivos") which are in true bearing north 68. 7 

 west and south 34.l west, respectively, and 57.5 

 feet (17.53 meters) fiom door of magazine directly 

 beneath flagstaff; marked by a small round stake 

 driven flush with ground. True bearing: yellow 

 church spire in Callao, 249 14'.8. 



Sayan, Lima, 1916. About 0.5 kilometer east of railroad 

 station, in line between railroad station and point of 



SOUTH AMERICA. 



Peru continued. 



Sayan, Lima, 1916 continued. 



conspicuous high mountain, in open field west of first 

 road east of bridge leading south, 220 meters south- 

 east of bridge, 46.22 meters west of tree in east 

 corner of field, 41.03 meters southwest of first tree 

 northwest of east corner, 53.80 meters northeast of 

 tree at south corner of field, and 42.6 meters north- 

 west of point on wall in line with tall tree on opposite 

 side of road; marked by a wooden stake driven flush 

 with ground. True bearings: east gable of railroad 

 station, 75 25'.5; tall tree beyond and slightly to 

 right of railroad station, 77 51'.0; corner of west 

 abutment of bridge, 161 46'.8; cross just south of 

 lughest point of mountain, 255 24'.5. 



Shiraca, Huanuco, 1917. About 1 mile (1.6 km.) west of 

 Santa Cruz, in yard of deputy governor of Shiraca, 

 8.20 meters southwest of northwest corner and 8.40 

 meters west-northwest of southwest corner, re- 

 spectively, of stone house, 11.0 meters southeast of 

 southeast corner of mud house, and 8 meters east- 

 southeast of large rock near mud house; marked by 

 a wooden stake. True bearing: pole on east side of 

 house across valley, 22 29'.9. 



Tingo Maria, Huanuco, 1917. West of Huallaga River 

 and south of junction of Monzon and Huallaga 

 rivers, on plantation of Sefior M. Rosales, west of 

 path, 12.6 meters north of north corner of north 

 house, 25.1 meters northwest of west roof-pillar, and 

 24.7 meters northwest of north roof-pillar of east 

 house; marked by a wooden stake. 



Yitor, Arequipa, 1917. On pampa, about 350 meters west 

 of railway depot and about 175 meters northeast by 

 north of railway track, 84.4 meters south of most 

 prominent rock projecting from pampa at south edge 

 of road leading to Mocoro, 35.4 meters west of west 

 corner of small stone inclosure, and 163.9 meters 

 northwest of fourth government telegraph-pole (black) 

 westward from railway depot, counting one at depot 

 as number 1; marked by a bone stake projecting 20 

 cm. from ground and covered by large heap of rocks. 

 True bearings: telegraph-pole farthest out on pampa 

 at curve in railroad below Vitor, 55 44'.3; east edge 

 of stone pier on hillock, 189 47'. 5; cross in shrine on 

 hill, 256 54'.3; west gable of railway depot, 280 

 49M; cross in shrine on lull south of depot, 299 28'.9. 

 Declination observations were made at two second- 

 ary stations designated as W and N; W is 470.3 

 meters true south, 67.l west, and JV is 530.7 meters 

 true south 17S.8 west of main station; both are 

 marked by wooden stakes covered with heaps of 

 stones. 



Yangas, Lima, 1916. Five stations were occupied, desig- 

 nated A, B, C, D, and E. Station A is about 1,300 

 meters east of Yangas, in highest cultivated field above 

 steel foot-bridge which is about 800 meters on road 

 up valley from Yangas, in northern corner of field, 

 among large boulders, 64.80 meters east-southeast of 

 tree at stone wall, 50.S0 meters south-southwest of 

 large stone projecting from nearest point in stone 

 wall, 7.22 meters east of highest point of rounded 

 white boulder and 8.10 meters west of highest point 

 of black pyramidal-shaped boulder and in line be- 

 tween these boulders. True bearings: highest point 

 of peak, 14 Ol'.O; center of tower on church, 72 

 15'. 0; southwest corner of mud house by road, 309 

 39'.9; cross by road, 344 49'.4. 



Station B is about 430 meters northeast of and 

 above station A, in dry rocky valley, on west side 

 of deeply eroded ditch, about 35 meters from foot of 

 mountain, about 10 meters south of point where 

 ditch and mountain meet, and about 6 meters west 



