132 



Land Magnetic Observations, 1911-13 



AFRICA. 



Algerian Sahara continued. 



Fori MotylinsH, 1913. About 69 feet (21 meters) east of 

 west bank of Wadi Tuckahaut, and 100 yards (91 

 meters) southwest of fort. True be.wing: east edge 

 of military rest house near foot of hill on which the 

 fort stands, 254 56'.2. 



Uassi Amalaouly, 1913. In Wadi Tamanrasset, about 250 

 feet (76 meters) east of well. 



Ilassi-el-Hadjar, 1912. Two stations, designated A and B, 

 were occupied. A is in slight ravine about three- 

 fourths kilometer northwest of abandoned caravan- 

 sary (bordj), 181.5 feet (55.32 meters) southwest of 

 well (Hassi-el-Hadjar) which is 30 meters deep, west 

 of rocky plateau, and north and east of sand dunes. 

 True bearing: northeast corner of caravansary, 296 

 34'.7. B is about 341 feet (104 meters) from A in 

 the direction of northeast corner of caravansary. 



Hassi-el-Khenig, 1913. In ravine with very steep sides, 

 about 300 yards (274 meters) northwest of wells at 

 Hassi-el-Ivhenig. 



Ifassi-el-Meksa, 1912. On sand dune about 50 meters 

 west of the well, Hassi-el-Meksa. Inclination obser- 

 vations made at secondary station about 50 meters 

 south of main station and a few meters west of enor- 

 mous sand drifts. 



Ilassi Mahmar, 1912. About 200 meters west of caravan 

 road and telegraph line to Ouargla, 220 paces north- 

 east of caravansary (bordj), about same distance 

 north of small square house east of caravansary, and 

 about 160 meters northwest of wall inclosing well. 

 True bearing: east edge of caravansary, 31 58'.6. 



Hassi Meniet, 1913. On pastiu-age in wadi about 2 kilo- 

 meters north of well at Hassi Meniet. 



In-Amguel, 1913. At first Tuareg village encountered 

 south of lu-Salah, on south side of main valley of 

 same name as village, in a spot surrounded by low 

 hills, and 210 feet (64 meters) northwest of most 

 westerly boulder at northeast end of small oblong 

 mound. 



In-Belrem, 1913. About 800 feet (244 meters) north- 

 northwest from well known as In-Belrem. The sand 

 in this locality contains fiJie particles of magnetic 

 material. 



lu-Salah, 1912. On desert north of military buildings, 

 about 300 meters north of mess hall, about 400 meters 

 northwest of commandant's quarters, about 300 

 meters northeast of native sergeant's quarters, and 

 about 100 meters south of sand dunes. True bear- 

 ings: east edge of native sergeant's quarters, 39 03'.6; 

 east edge of commandant's quarters, 325 35'. 0; east 

 edge of mess hall, 349 17'.1. 



Jarf-el-Bacra, 1912. At third encampment from Hassi-el- 

 Hadjar, about an hour's march north of pass of this 

 name, 134 feet (40.8 meters) southeast of a pile of 

 stones erected as a trail marker. Inclination observed 

 at secondary station 70.5 feet (21.49 meters) northeast 

 of main station. 



Mousa-btn-Yaich, 1912. At sixth encampment south of 

 Fort Miribel, on elevation in dry bed of oued, about 

 one-half kilometer south of intersection of Ouargla and 

 El-Golea-In-Salah trails, and about three hours' march 

 north of nearest well. 



Ouargla, 1912. On parade ground between town and fort, 

 about 0.3 kilometer southeast of walls of town, about 

 75 meters east of native gardens with palm trees, and 

 about 240 meters north of fort; marked by tent peg 

 driven flush with ground. True bearings: Marabout 

 of Sidi-el-Hadj Balihouse, 62 38'. 0; south tower of 

 two mosque towers near market place, 189 33'. 2; 

 dome north of gate on Bureau Arabe, 304 41'.0. 



AFRICA. 

 Algerian Sahara continued. 



Steil, 1912. Two stations, designated A and B, were 

 occupied about 1 kilometer northeast of the caravan- 

 sary or bordj at Steil. A is 200 feet (61.0 meters) west 

 of caravan road, 245 feet (74.7 meters) west of rail- 

 way (under construction), and 125 feet (38.1 meters) 

 southwest of crest of small hillock; marked by tent 

 peg driven flush with ground. True bearings: east 

 edge of square tower on caravansary, 3 kilometers, 

 350 40'.4; a similar tower, 351 02'.8. B is 169 feet 

 (51.5 meters) from A, on line toward distant cara- 

 vansary. 



Tabaloulel, 1912. In bed of first small tributary that joins 

 main ravine or Oued Tabaloulet from north just west 

 of where trail enters ravine, 198.5 feet (60.50 meters) 

 east of center of well (Hassi Tabaloulet), 70.0 feet 

 (21.3 meters) west of large boulder lying at foot of 

 steep hill east of ravine. True bearing: west point 

 of large road marker on hill across main ravine, 322 

 46'. 0. Inclination observations made at secondary 

 station 191.5 feet (58.37 meters) north of main station. 



Tadeini, 1913. Near center of wadi, and 73.5 feet (22.4 

 meters) south of the well. 



Takoubard, 1913. About 340 feet (104 meters) south- 

 southwest from well Takoubaret, in canyon having 

 walls about 200 feet (61 meters) high, 90 feet (27 

 meters) from northwest wall, and 210 feet (64 meters) 

 from southeast wall. An auxiliary dip station was 

 occupied 50 feet (15.2 meters) west of well. 



Talanteidi, 1913. Southeast of dense growth of cane where 

 water comes to sm-face, and about 500 feet (152 

 meters) northeast of the well. 



Tamanrasset, 1913. In Wadi Tamanrasset, at village of 

 same name, 250 feet (76 meters) southwest of ethel 

 tree, about 1,000 feet (305 meters) northeast of mud 

 house of French missionary; marked by tent peg 

 driven flush with ground. 



Taoun Tarak, 1913. .-Vbout 270 feet (82 meters) south- 

 west of well in canyon, and 430 feet (131 meters) from 

 east wall of canyon; marked by tent peg. 



Tesnou, 1913. On plain north of very large semicircular 

 liill of solid granite known as Djebel Tesnou, 620 feet 

 (189 meters) northeast of marabout of Moulay- 

 Thassen, and 300 feet (91 meters) north of wadi; 

 marked by tent peg driven flush with ground. True 

 bearing: trail marker on two-peaked hill, 241 13'. 4. 



Tilinas Fcrkla, 1912. On small elevated area of dried mud 

 just west of present shallow well or "tilmas" which 

 may be abandoned for new one at any time, south of 

 branch which enters main ravine or oued, east of 

 rocky hill which obstructs view toward west, about 

 75 meters south of northern edge and 30 meters west 

 of eastern edge of elevated area. True bearing: road 

 marker on distant hill, 169 25'. 7. 



Tin-Zaouaten, 1913. .4bout 400 yards (366 meters) south- 

 west of French military depot Tin-Zaouaten, 75 yards 

 (69 meters) north-northeast from southwest edge of 

 wadi, 125 yards (114 meters) south-southwest from 

 lone tree in wadi, and about one-fourth kilometer 

 west-northwest from well which supplies the military 

 depot with water; marked by tent peg driven flush 

 with sand. True bearing: east edge of military depot, 

 237 02'.0. 



Tit, 1913. South of the Tuareg village, 107 feet (32.6 

 meters) southeast of reed hut, 300 feet (91 meters) 

 west-northwest of reed military shelter, 4 kilometers 

 southwest of goat corral, and 250 feet (76 meters) east 

 of conical rock peak. True bearing: east edge of goat 

 corral, 233 55'.4. An auxiliary dip station was estab- 

 lished 250 feet (76.2 meters) west of main station. At 

 this place the sand is very magnetic. 



