240 



Land Magnetic Observations, 1914-20 



AFRICA. 



Camerotjn concluded. 



Yoko, 1919. On slope about 200 meters east of east gate 

 of fort, near center of triangular piece of land inclosed 

 on northeast by a field, and on west and south by 

 roads to Tibati and Deng-Deng, 14 meters east of 

 former and 13 meters north of latter, 25. 28 meters 

 north of sign-post at junction of roads with road to 

 Yaounde, and 39.35 meters north-northwest of east- 

 most support of seats under tree; marked by a slab 

 of granite 10 by 20 by 60 centimeters, top face being 

 left 0.1 meter above surface of ground, a small sink- 

 hole indicating instrument center. True bearings: 

 sign-post at junction of roads, 12 04'. 9; flagstaff on 

 fort, 103 10'.2; northeast corner of fort, 114 26'.1; 

 bottom of eastmost support of seats under tree, 334 

 59'. 3; pole of large hut of village on hill to south, 0.5 

 kilometer, 357 33'.6. 



Cyrenaica. 



Bengasi, 1914. On ground belonging to Fwayhat mission, 

 about 5 kilometers southeast of Bengasi, in a field 

 about 200 meters northeast of mission building, 12.1 

 meters north of outer end of stone wall running north- 

 east from front of mission building, 7}4 meters north- 

 west at right angles from a point in extension of line 

 along northwest face of wall; marked by a tent-peg 

 driven flush with ground. True bearings: minaret, 

 135 22'.7; tallest minaret in Bengasi, 135 46'.7; 

 center line of concrete sentry tower, 345 00'. 9. 



Derna, 1914. On sloping ground southeast of town, near 

 new military barracks, 36.2 meters southwest of near 

 edge of road leading to barracks, 36.5 meters north- 

 west of stone wall inclosing ground belonging to bar- 

 racks, and 40.0 meters southeast from middle of south- 

 east side of stone hut; marked by hole in top of 

 cement post 16 by 16 centimeters at top, projecting 

 4 inches above ground, anchored in underlying rock 

 25 centimeters below surface, and covered by pile of 

 loose rock. True bearings: top of lighthouse, 154 

 39'.4; flagstaff on wireless station, 156 54'. 9; north 

 corner of barracks building, 271 33'.6. 



Ufarsa Su-sa, 1914. On prominent hill immediately west 

 of town, 21.4 meters southeast and 17.4 meters north- 

 east respectively from northeast and southeast corners 

 of an excavation surrounded by primitive rock-hewn 

 dwellings; marked by tent-peg driven flush with 

 ground. True bearings: cross on wooden chapel, 257 

 19'.3; south side of Turkish stone windmill, 261 

 04'. 3; southwest corner of stone house, 301 29'.9. 



Tobruk, 1914. On level ground northeast of town, west of 

 Italian cemetery, 153 paces west-southwest of west 

 corner of morgue, approximately same distance west of 

 front of chapel at north corner of cemetery, and about 

 in line between morgue and radio station; marked by 

 drill hole in top of limestone post 16 by 16 by 62, centi- 

 meters projecting about 8 centimeters above ground. 

 True bearings: minaret of mosque, 57 40'.4; sema- 

 phore, 241 39'. 0; cross on cemetery chapel, 260 35'. 5. 



Tohm Ua, 1 914. On sloping ground east of garrison, almost 

 due north of northwest corner and 110 meters north- 

 west of northeast corner of ruins of ancient Roman 

 building; marki d by drill hole in top of limestone post 

 18 by 21 by 80 centimeters with C I. \V. 1914 cut in 

 top. True bearings: top of signal station on mountain 

 top, 1" 09'.9; foot of flagstaff at artillery fort, 38 

 52'.9; foot of flagstaff over commander's 'office, 90 

 33'. 4. 



AFRICA. 



Egypt. 



Alcxatidria, 1914. Reoccupation of C. I. W. station of 

 1908, on coast about 7 miles northeast of Alexandria, 

 and about 2 miles beyond Ramleh; marked by cement 

 post projecting 65 centimeters above ground at time 

 of reoccupation. True bearings: minaret of mosque 

 Sidi Beshur, 19 32'. 7; spire on El Serai, Khedive's 

 mother's palace, 38 19'.5; left or outer tower of 

 Khedive's palace El Mantaza, 4 kilometers, 230 

 24'. 6; tip of minaret of mosque El Mandara, 242 

 45'.6. A secondary station was occupied 384 feet 

 (117.0 meters) southwest of principal station on line 

 toward spire on Khedive's mother's palace. 



Barrage, 1914. Approximately a reoccupation of station 

 established by Survey Department of Egypt in 1908, 

 on land belonging to Wakfs Administration, on an 

 elevation slightly above surrounding cultivated 

 ground, about 2 kilometers northeast of town of 

 Barrage, east of road from Barrage to Bahada, south- 

 west of canal, and nearly south of masonry bridge 

 across canal; marked by tent-peg driven flush with 

 ground. True bearings: spire on minaret on mosque 

 at Barrage, 30 33'.4; right edge at bottom of iron 

 chimney at brick works, 91 07'.0; center of brick 

 chimney at pumping station, 303 43'.0. 



Barrani, 1914. About 138 meters west-northwest of north- 

 west corner of coast guard barracks, in line with north 

 fence of barracks grounds, and about 35 meters due 

 west of small masonry pier near northwest corner 

 of fence; marked by drill hole in top of limestone post 

 15 by 15 by 60 centimeters, projecting 5 centimeters 

 above ground. True bearings: apparent vertical leg of 

 tripodal lighthouse, 142 32'.2; flagpole north of coast 

 guard office, 274 33'.2; southwest corner of barracks, 

 310 39'.9. 



Daba, 1914. About 200 meters south-southeast of coast 

 guard station, near top of low rocky mound that stands 

 out prominently from surrounding level land; marked 

 by wooden peg in top of masonry pier 40 by 40 centi- 

 meters built on bedrock and projecting 15 centimeters 

 above ground. True bearings: minaret of mosque 

 at railroad station, 16 51'. 4; flagstaff at coast guard 

 station, 153 22'.2; southwest corner of coast guard 

 watch-tower near coast, 177 18'.0. 



El Omeiyid, 1914. On sandy desert about 200 meters 

 northeast of railroad station; marked by drill hole 

 in top of limestone post 15 by 20 by 75 centimeters, 

 projecting about 10 centimeters above ground. True 

 bearings: northwest corner of long stone building at 

 depot, 40 16'. 7; flagpole on building belonging to a 

 Greek, 2 kilometers, 72 OS'. 4; tip of lighthouse on 

 coast, 4 kilometers, 177 13'. 1. 



Helwan Observatory, 1914, 1918. Observations in declina- 

 tion and horizontal intensity were made on north pier 

 in porch or absolute room of main observatory, desig- 

 nated N, and in hut about 46 meters southwest of 

 observatory, designated H; observations for dip were 

 made at H and on south pier in porch, designated S. 



Khaitara, Upper Egypt, 1918. Close reoccupation of 

 Egyptian survey station of 1909, about % kilometer 

 north of railway station, and about 300 meters east 

 of railroad track, in wadi north of rocky hill and north- 

 cast of cemetery, 55 yards (50 meters) south of white- 

 washed mud pulpit (mazbar), and about same dis- 

 tance north of small pile of stones; marked by large 

 piece of reddish sandstone with rounded edges. True 

 bearings: telegraph-pole nearest hill, 72 13'. 3; third 

 telegraph-pole visible north of hill, 81 13'.3. 



Luxor, Upper Egypt, 1918. Close reoccupation of Egyp- 

 tian survey station of 1909, near west corner of 



