248 



Land Magnetic Observations, 1914-20 



AFRICA. 



French Equatorial Africa continued. 



Ouesso, Middle Congo, 1919. In south corner of manioc 

 plantation belonging to civil guards of government 

 post, near west end of Rue Goujon and just west- 

 northwest of cemetery, at a point exactly in line be- 

 tween large camwood tree at intersection of Rue 

 Goujon with street forming west side of manioc plan- 

 tation and large fromager tree to north, 44.0 meters 

 north of camwood tree, and 26.20 meters northwest 

 of center of Rue Goujon; marked by brick pillar 

 about 40 centimeters square, left 0.75 meter above 

 surface of ground; a large cross, with figures 1919 

 above it, was deeply cut in camwood tree. True 

 bearings: nearby large camwood tree, 44.0 meters, 8; 

 large fromager tree, about 90 meters, 188; right end 

 of roof of doctor's house, 320 meters, 25408'.6; top 

 of northeast veranda post of residence of director of 

 C. F. S. O., 430 meters, 266 42'.8; top of right edge of 

 wall of upper story of residence, 269 57'.3. 



Pangala, Middle Congo, 1916. On top of large low mound, 

 evidently an artificial construction, north of post- 

 office, east of rubber drying house and quarters of 

 postmaster, and about 150 paces north of brick resi- 

 dence of Commandant; marked by large blackish 

 boulder left 3 inches (8 cm.) above surface of ground. 

 True bearing: trunk of tree extending above surround- 

 ing bush, 11829'.6. 



PortGentil (Cape Lopez), Gabon, 1915, 1916, 1920. Station 

 established in 1915 and reoccupied in 1916, is on 

 swampy open ground southwest of property of Hatton 

 and Cookson and northwest of property of "Char- 

 geurs Reunis," 29.7 meters west of center of cement 

 walk through town; marked by concrete monument 

 extending 1 meter below surface and 1 meter square, 

 into which is set a concrete block 20 by 20 by 50 

 centimeters, extending above surface of ground and 

 foundation concrete about 10 centimeters, top of 

 which is marked C. I. W. 1915, a small bronze pin 

 cemented into center of block indicating exact point. 

 True bearings: Cape Lopez navigation-mark, 43 

 22'. 7; west gable of Hatton and Cookson warehouse, 

 245 22'. 7; north gable of "Chargeurs Reunis," resi- 

 dence, 276 55'.8; windmill, 341 03'.0. 



Station occupied in 1920 is about 50 meters north 

 of C. I. W. station of 1915 and 1916, 29.0 meters west 

 of center of raised cement walk running length of 

 town, and 9.25 meters southeast of path from native 

 village joining cement walk near its north end. True 

 bearings: large pyramid used as navigation-mark, 2 

 kilometers, 41 20'. 5; south gable of S. F. N. building, 

 about 250 meters, 217 21'.4; west gable of Hatton 

 and Cookson's warehouse, about 200 meters, 257 

 09'.6; north gable of "Chargeurs Reunis" residence, 

 0.4 kilometer, 283 18'.0; flagstaff visible above trees, 

 1 kilometer, 334 41 '.2. 



Itoumbou, Tchad, 1917. On trail to Ati, inside encamp- 

 ment inclosure, near southwest corner of thorn- 

 brush barrier, 15 meters northeast of corner, and 2.5 

 meters from south side of barrier; marked by tent- 

 peg driven flush with ground. 



Second Encampment North of Fart A icluimbau.lt, Middlt 

 Chart, 1917. On sand-bar on right side of main 

 el la nnel of C'liari River, at low water, about 300 meters 

 from high bank. True bearing: prominent tree in 

 bush on opposite side of river, 14 32'.6. 



Second Encampment North of Fort Crampel, 1917. On 

 Gribingui River, 30 hours' barge travel from Fort 

 Crampel, on left bank of river, 150 meters from water's 

 edge. 



AFRICA. 



French Equatorial Africa concluded. 



Sembe, New Cameroun, 1919. At French government post, 

 near middle of large open space surrounded by build- 

 ings of post, 105.0 meters southeast of flagstaff, and 

 58.8 meters northeast of northeast corner of store; 

 marked by square pillar of mud bricks, about 0.30 

 meter square, standing 0.25 meter above ground. 

 True bearings, northeast corner post of store, 69 ll'.O; 

 left side of flagstaff, 134 42'.9; northeast corner of 

 building used as hospital, 100 meters, 157 20'.6; 

 northwest corner post of north barracks, 242 22'.6; 

 southwest corner post of southmost barrack building, 

 120 meters, 299 15'.5. 



Sixth Encampment North of Fort Archambault, Tchad, 

 1917. On sand-bar on left side of channel at low 

 water of Chari River, 15 meters from main river bank. 

 True bearing: solitary palm tree down stream, 

 146 50'.6. 



Souanke, New Cameroun, 1919. At French government 

 post, in middle of square forming European quarter, 

 on pathway from flagstaff to store, northeast of its 

 intersection at right angles with a second path across 

 square, 54.65 meters southwest of flagstaff, 30.4 

 meters southwest of west corner post of sergeant's 

 house, and 29.5 meters south of south corner post of 

 residence of Chef de Poste; marked by brick pillar 

 about 0.4 meter square, left about 0.5 meter above 

 ground. True bearings: east post of store, 30 meters, 

 20 50'; south corner post of residence of Chef de 

 Poste, 190 15'.0; flagstaff, 218 18'.2; west corner 

 post of sergeant's house, 241 00'. 8. 



Tountouma, Tchad, 1917. About 150 meters southeast of 

 fort, south of fortified tetta, and northwest of large 

 village and market, in small grassy basin surrounded 

 by large rocks forming top of hill around base of which 

 a small stream flows from spring, at a point nearly 

 in line with spring and tetta, 7 meters from fair-sized 

 branching tree, and about 2 meters south of center of 

 basin; marked by tent-peg. True bearing: trunk of 

 large solitary tree on low hill, 303 26'.0. 



French Somaliland. 



Jibuti, 1914, 1918. Station of 1918 is a close reoccupation 

 of that of 1914, on waste ground north of Ambouli 

 Gardens, 3 kilometers south-southwest of town of 

 Jibuti, 54 meters east of center of road measured from 

 point 4 meters north of 3-kiiometer post, and 52 

 meters east of this post, which is a portion of a steel 

 "I" beam mounted in a square masonry base on east 

 edge of road; marked by a block of lava-like stone 

 with oblong base and whose upper face is an acute 

 triangle pointing northward. True bearings: light- 

 house (Phare de Hayabile), 29 49'.9; flagpole in 

 front of governor's mansion, 201 05'.5; mosque, 210 

 26'.4; east wireless pole, 218 13'.0. 



French West Africa. 



Abidjan, Ivory Coast, 1914. About 1 mile (1.6 km.) north 

 of wharf and government warehouse, in park east 

 of lagoon and west of railroad, almost due west of 

 house occupied by director of railways as office and 

 residence, 60 feet (18.3 meters) northwest of an oil- 

 palm tree, at end of path where wooded descent to 

 lagoon begins; marked by tent-peg. 



Bouaki, Ivory Coast, 1914. About 11 i miles (2.4 km.) 

 west of railroad station, and 150 feet (45.7 meters) 

 west-northwest of carriage gate through mud wall 

 inclosing buildings of Administration, and about in 

 line with south side of road leading straight northwest 

 from gate; marked by tent-peg. 



