170 



Land Magnetic Observations, 1911-13 



SOUTH AMERICA. 

 Brazil continued. 



Hill Grande, Rio Grande do Sul, 1913 continued. 



m;irke(l by hole in top of tent pea; driven flush with 

 ground. True bearing: center of flagstaff in grounds 

 of captain of port, 167 26'..3. 



San Felipe, Aniazo>ias, 1913. On west bank of Guainia 

 River, south of last house of settlement, 67 feet 

 (20.-1 meters) from large tree near shed, and 127 feet 

 (38.7 meters) west of large tree near edge of bank. 



San Francisco, Arnazonas, 1913. On east bank of Rio 

 Branco, about l.')0 feet (46 meters) northeast of ceme- 

 ter}', about 1.50 feet (46 meters) southwest of house, 

 about 80 feet (24 meters) west-northwest of nearest 

 one of three large tall trees, and about 40 feet (12 

 meters) from river bank; marked by cross in top of 

 tent peg projecting about 2 inches (5 cm.) above 

 ground. 



San Joaquim, Arnazonas, 1913. On south bank of river, 

 in open space northwest of cemetery, 15 feet (4.6 

 meters) from edge of bank, about 60 yards (55 meters) 

 northwest of small house north of cemetery, and about 

 40 yards (37 meters) northeast of northeast corner of 

 second house in row along river. 



San Marcelino, Arnazonas, 1913. On south bank of 

 Guainia River, opposite the settlement of San Mar- 

 celino, on estate of Seiior A. M. Bustos, about 100 

 yards (91 meters) cast of residence, 43 feet (13.1 

 meters) southeast of southeast corner of large, sub- 

 stantial shed, and 27 feet (S.2 meters) south of south 

 side of shed extended. 



Sanl Anna, Arnazonas, 1913. On west bank of river, 

 about 60 yards (55 meters) northwest from building 

 named "Sant Anna," and about 25 feet (7.6 meters) 

 back from river 



Santa Isabel, Arnazonas, 1913. About 100 yards (91 

 meters) from west end of island, about 90 feet (27 

 meters) south of large tree near southwest corner of 

 picket fence back of most westerly house on island. 



Sartia Maria, Arnazonas, 1913. On east bank of Rio 

 Branco, about 100 feet (30 meters) south of front 

 of house, 80 feet (24.4 meters) southeast of small 

 bushy tree, and about 45 feet (14 meters) east of top 

 of river bank; marked by cross in top of tent peg 

 driven flush with ground. 



Sautarem, Para, 1911. Near north side of square known as 

 "Pra^a Republioa," about midway from east and 

 west sides, on low elevation extending toward ri\er; 

 45 paces north-northwest from lamp post, 66.5 meters 

 west-southwest of corner of house at corner of Tra- 

 versa 13 de Maio and open ground facing river, 33.3 

 meters from large tree standing on far side of small 

 bay to west, and 17 meters north of path which crosses 

 square from northeast to southwest; marked by stake 

 driven flush with ground. True bearings: southeast 

 corner of ornament on roof of theater, 44 23'.2; 

 northwest corner of hotel at water table, 234 39'. 8; 

 cross on church, 253 13'.7. 



Sao Jose do Norte, Rio Grande do Sul, 1913. In small 

 depression on sandy plain at east end of Rua General 

 Ozario, 102 yards (93 meters) south of north line of 

 street and in range with east line of Rua Dr. Assis 

 Brazil ; marked by copper nail in top of tent peg driven 

 flush with ground. True bearings: south steeple of 

 cathedral, 13 3r.7; cross on grave, distant 400 yards 

 (366 meters), 217 13'.8. 



Taupe^a^u, Arnazonas, 1913. Near southwest corner of 

 open space used as plaza, on south side of Rio Negro, 

 68.5 feet (20.9 meters) north of row of buildings, and 

 52 feet (15.9 meters) east of west line of street. 



SOUTH AMERICA. 

 Brazil concluded. 



Umarituha, Aniazonns, 1913. On savanna northeast of 

 house of Senor Pontes, 145 feet (44.2 meters) cast of 

 northeast corner of picket fence, and 121 feet (36.9 

 meters) southeast of southeast side of picket fence ex- 

 extended. 



Urucurituba, Arnazonas, 1911. In western part of town, 

 in open space between river and principal street, 11.15 

 meters north-northeast from northeast corner of 

 second store west of Casa Cinque at northeast end 

 of row of four stores; marked by stake driven flush 

 with ground. 



Vassouras, Rio de Janeiro, 1913. Two stations, designated 

 A and B, in non-magnetic building on top of hill in obser- 

 vatory grounds, about one-third mile (0.5 kilometer) 

 east of meteorological station. .4 is center of large 

 pillar 4 feet (1.2 meters) from north end of room. 

 True bearing: brass pin in azimuth mark about 100 

 yards (91 meters) distant, 146 40'. 4. B is center of 

 smaller pillar in southwest corner of room. True 

 bearing: left edge of white house on hill, about 1 mile 

 (1.6 kilometers) distant, 17.S SS'.S. 



Chile. 



Antofagasia, Anlopirjasla, 1912. Flast of town, halfway 

 between shore and hills, 165 paces from railway track, 

 at rejunction of two branches of path leading from 

 head of Calle Bolivar to Iiills; marked by br.ass tack 

 in tent peg. True bearings: eastern water-works 

 chimney, 30 52'.0; western water-works chimney, 

 31 57'.0; cross on church, 57 .52'.3; cross on church, 

 Plaza Colon, 124 47'. S; cross on cupola in cemetery, 

 183 30'.8. 



Arica, Tacna, 1913. In sandy plain northeast of town, 

 about 1 mile (1.6 kilometer) northeast of Morro de 

 Arica, 125.7 feet (38.31 meters) southwest and 165 feet 

 (50.3 meters) northwest respectively from west and 

 south corners of cemetery wall; marked by brass tack in 

 top of hardwood pegdriven flush with ground. Theflag- 

 pole on square tower in front of pest house, one-half 

 mile (0.8 kilometer) distant, is in true bearing 5 57'. 6. 



Calama, Anlofagasla, 1912. About 1.5 miles (2 Idlometers) 

 south of town, in southwest corner of clearing about 

 200 meters west-southwest from corner of fence on east 

 side of road; marked by brass tack in tent peg set 

 flush with ground. True bearing: cross on church 

 next Hotel de la Bolsa, 197 12'.7. 



Cebollar, Antofagasia, 1912. In Borax Lake, 480 paces at 

 right angles to railroad track from west corner of 

 water-tank support nearest borax office. True bear- 

 ing: west stack of borax office, 11 13'.4. 



Chilian. Nuhlc, 1913. In grounds of the Quinta .\gricola, 

 the municipal farm, in center of field east of stables, 48 

 paces nortli of road and 70 paces east of prolongation of 

 fence running parallel to east wall of stables; marked 

 by brass tack in top of tent peg driven flush with 

 ground- True bearings: cross on prominent tower in 

 Chiflan, distant 1 mile (1.6 kilometers), 56 r2'.3; 

 north tip on director's residence, 142 26'. 5. 



Concepcion, Concepdon, 1913. In pasture at east side of 

 grounds of agricultural college, 132.5 feet (40.38 

 meters) west of fence along main road and 122 feet 

 (37.19 meters) south from fence along road on north; 

 marked by brass tack in top of tent peg driven flush 

 with ground. West edge of middle window of lone 

 brick building on north side of road leading to main 

 entrance of school grounds is distant 100 yards (91 

 meters) in true bearing 218 38'.0. 



