334 



Land Magnetic Observations, 1914-20 



SOUTH AMERICA. 



Peru continued. 



Huayao, Eclipse, Junin, 1919. About 2.3 kilometers west 

 by south of Huancayo Magnetic Observatory site, 

 827.5 meters west by southwest of station Huayao 

 1917 and 1919, 268.4 meters north of church tower of 

 Huayao. True bearings: tower of church in Huayao, 

 268.4 meters, 1 47'.3; stone marker on Cerro Cail- 

 pich, about 5.0 kilometers, 262 30'. 1; north gable of 

 adobe house used as magnetograph station, 176.5 

 meters, 357 51'.4. This was absolute station for 

 special observations in connection with solar eclipse 

 of May 29, 1919. The self-recording magnetograph 

 was mounted during May 25 to June 12, 1919, in 

 north room of adobe building south of station, and 

 special diurnal-variation observations with earth in- 

 ductor were made in south room of same building on 

 May, 28, 29, and 30, 1919. 



Ica, lea, 1917. Close reoccupation of C. I. VV. station of 

 1912, about half mile (0.8 km.) southeast of 

 central plaza in southern end of soccer football-field, 

 which lies between AJfonse Ugarte Shooting Club and 

 Achirana River, 47.9 meters southwest of fence near 

 river, and 33.3 meters northwest of a point midway 

 between southern goal-posts. True bearings: knob 

 on central dome of church, 58 18'.3; flagpole on 

 shooting club, 11934'.0; flagpole seen through gap 

 in trees, 129 25'.6; left edge of smoke-stack, 129 

 39'. 6; cross on top of large sand-hill, 137 21M. 

 Declination observations were made at a secondary 

 station in line between main station and flagpole seen 

 through gap in trees, and 142.7 meters northwest of 

 main station. 



Juliaca, Puno, 1917. Exact reoccupation of C. I. W. 

 station of 1912, in the pampa half mile (0.8 km.) 

 southwest of town, in range with west side of ruined 

 mud-plastered stone house, 42 feet (12.8 meters) 

 north of its northwest corner, 66 paces from road 

 running along west side of pampa; marked by a brass 

 tack in top of tent-peg driven flush with ground and 

 covered with stone about 1 by 1 by 2 feet (30 by 30 

 by 61 cm.). True bearings: central rod of railway 

 company's westernmost windmill, 218 20'. 4; cross on 

 La Merced Church, 223 18'.2. 



La Limena, Ancash, 1917. About 300 meters southwest 

 of depot of Tablones-Limena Railroad, on a flat open 

 space near west end of valley, about one-third of 

 way from Rio Santa to vertical cliff forming south 

 wall of valley, 37.70 meters southeast of center of 

 railroad track, 51.60 meters west of west corner of an 

 adobe house, 20.93 meters northwest of nearest tele- 

 graph-pole, and 20.60 meters north of north corner 

 of stone-rubble house," marked by a tent peg. True 

 bearings: west point of large rock across river, 72 

 45'.6; center of windmill, 233 48'.6; west gable of 

 railroad depot, 249 43'.2. 



Lima, Lima, 1914, 1916, 1917, 1918. Three stations, 

 designated Hipodromo, B, and C, inside race-course 

 or hipodromo of Jockey Club of Lima, 2.5 kilometers 

 southwest of palace, were occupied. Station Hipo- 

 dromo is a close reoccupation of C. I. W. station of 

 1912, 115.5 meters from iron fence in front of grand- 

 stand. As this station could not be recovered in 1918, 

 stations B and C were established. 



Station B is about 70 meters west-southwest of 

 station Hipodromo, 108.5 meters northeast of east 

 corner of brick foundation under bay window on 

 southeast side of middle one of three hexagonal 

 buildings within race-course, 1.7 meters southwest of 

 extension of northeast face of small building south- 

 west of grand-stand and 119.5 meters southeast of 

 east corner of its brick foundation. True bearings: 

 point on left end of distant house, 59 44'.9; cross 



SOUTH AMERICA. 



Peru continued. 



Lima, Lima, 1914 continued. 



on church dome, 127 ll'.O; right corner of foundation 

 of small building near grand-stand, 158 55'.9; wire- 

 less tower on San Cristobal Hill, 215 10'.5; right 

 corner of railing on roof of house outside grounds, 

 342 16'.0. 



Station C is 49 meters southwest of station B in 

 line with point on left end of distant house. True 

 bearings: point on left end of distant house, 1,300 

 meters 59 44'.9; cross on church dome, 129 59'.8; 

 right corner of foundation of small building near 

 grand-stand, 173 07'.0; wireless tower on San 

 Cristobal Hill, 215 20'.7. 



Matucana, Lima, 1916. Close reoccupation of C. I. W. 

 station of 1912. Southwest of town, in hay-field on 

 raised ground, about 75 meters south of roadside 

 sanctuary, 4.5 meters north of third stone fence 

 south of sanctuary, and 13.5 meters west of point 

 of stone pile which is part of old retaining wall; marked 

 by a cross cut on a stone 3 by 5 inches (8 by 13 cm.) 

 buried flush with ground. True bearings: dome- 

 like point on ridge at sky-line, 78 46'.7; cross on 

 high ridge, 194 25'.7; east edge of sanctuary, 195 

 43'.6; south corner of mud foundation wall, 281 

 46'. 1. 



Mollendo, Arequipa, 1914, 1917. Two stations were 

 occupied. Station designated 1912, occupied in 1912 

 and again in 1913, was reoccupied in 1914, about 

 half mile (0.8 km.) north of dock, one-eighth mile 

 (0.2 km.) west of main street, south of town cemetery, 

 in line of southeast cemetery fence (later extended 

 past station), 149.9 feet (45.69 meters) northwest of 

 stone inclosure. 



In 1917, on account of extension of cemetery fence, 

 a new station designated 1917 was occupied, 80 

 meters southwest of station 1912, in line with south- 

 east fence of cemetery, 75.4 feet (22.98 meters) from 

 south corner of cemetery, and 149.9 feet (45.69 

 meters) northwest of a stone inclosure; marked by 

 brass tack in top of wooden peg driven below ground 

 and covered with a stone. True bearings: cross on 

 hill, 146 17'.2; cross on east spire of Catholic church, 

 326 09'.9. 



Oroya, Junin, 1917. About 130 meters southwest of C. 

 I. W. station of 1912, which was found unsuitable 

 for reoccupation. About 400 meters southwest of 

 Cerro de Pasco railway depot and about 160 meters 

 north-northwest of spring-house, on flat place on 

 hillside above and 180 meters distant from railroad 

 track, in field southwest of angle in stone walls, 

 31.35 meters from largest stone in wall to northeast, 

 and 34.15 meters from largest stone in wall to east; 

 marked by a wooden stake. True bearings: top of 

 north edge of spring-house, 39'.7; north edge of 

 culvert buttress on hillside across river, 101 47'.3; 

 east edge of east chimney on Cerro de Pasco railway 

 depot, 223 39'.3; base of flagpole on gobernador's 

 house, 231 29'.9; top of right edge of water-tank, 

 245 07'.8. 



Pamparca, Junin, 1917. Three stations were occupied, 

 designated A, B, and C, on plateau known as Pam- 

 parca, which is between Huayao and Sicaya, and 

 about 7 miles (11 km.) west-northwest of C. I. W. 

 station at Huancayo. Station A is 3 kilometers 

 northeast of church tower in Huayao, in grass road- 

 way between Huayao and Sieaya, 1.5 feet (0.46 

 meter) from southern edge of roadway; marked by 

 a conical pile of boulders about 20 inches (51 cm.) 

 high. True bearings: southernmost tower on church 

 in Ahuac, 18,206 feet (5.5 km.), 4 30'.0; church 

 tower in Huayao, 9,833 feet (3.0 km.), 59 34'.6; 



