2<)N 



Land Magnetic Observations, 1914-20 



AUSTRALASIA. 



Australia continued. 



Nappacoongie Well, South Australia, 1914 continued, 

 east from Innamincka mail-track, and 390 feet (119 

 meters) northeast of well; marked by mallee peg 

 projecting 6 inches (15 cm.) above ground. True 

 bearings: bottom left edge of left leg of windlass 

 support, 391.4 feet (119.30 meters), 40 24'.G; bottom 

 right edge of right leg of windlass support, 390 feet 

 (118.9 meters), 41 13'.3. 



Naracoorte, South Australia, 1916. On Agricultural show- 

 grounds, 5.9 feet (1.80 meters) northeast of north end 

 of cricket-pitch in middle of oval, and 61 yards (56 

 meters) from entrance to oval towards big gum tree 

 to east. True bearing: spire of Presbyterian church, 

 41 21'.7. 



Nealyon's Rock-Hole, South Australia, 1914. On small flat 

 surface of bare clay about 100 feet (31 meters) south 

 of track leading eastward to No. 7 bore, the rock-hole 

 being north of track in a limestone catchment 300 

 feet (91 meters) long by 150 feet (46 meters) wide; 

 marked by three large blocks of limestone set up in 

 pyramid over a small peg of stringy-bark. 



Nilpinna, South Australia, 1914. East of Nilpinna Home- 

 stead, and 16 chains 53 K links (332.58 meters) east- 

 southeast of survey-post which is 4 yards (3.66 meters) 

 southeast of center of spring; marked by post with 

 brass plate inscribed: C. I. Magnetic Station Nilpinna. 

 Long. 135 41' 49" E. Lat. 28 13' 06" S. Magnetic 

 Variation 4 06' E. Nov. 3rd, 1914. True bearings: 

 northeast wall of galvanized-iron hut, 26 38'. 8; 

 center of south chimney on homestead, 81 36'.4; 

 center of north chimney of homestead, 87 53'.5; 

 survey-post near spring, 101 30'. 1. 



Norseman, Western Australia, 1914. Almost exact re- 

 occupation of station of 1912, about 825 feet (251 

 meters) southeast of shore of Lake Cowan, near 

 center of square reserved for warden's quarters, 

 about 313 feet (95 meters) south of north boundary 

 of square, about 424 feet (129 meters) from peg 

 marking northeast corner, and nearly in line of fence 

 on south of abandoned quarters; marked by jarrah 

 peg driven flush with ground. True bearings: taller 

 chimney of Mararoa Mine, 267 56'.2; left edge of 

 water-tank in town, 282 28'. 8. 



Nullagine, Western Australia, 1914. About one-third mile 

 (6.5 km.) northeast of Conglomerate Hotel, 80 feet 

 (24.4 meters) north of road to Marble Bar at top of 

 first rise: marked by tent peg driven flush with ground. 

 True bearings: left edge of tank by store, about half 

 mile (0.8 km.), 3S OO'.O; right post of porch of 

 warden's court, 1 mile (1.6 km.). 42 31'. 9. 



Oatlands, Tasmania, 1914. The station of Tasmanian 

 Magnetic Survey, 27.1 feet (8.26 meters) south 2 30' 

 west of station mark of same survey. True bearings: 

 church spire, 80 32'. 2. Azimuth observations were 

 made over the magnetic-station mark, which is a 

 cylinder of Muntz metal set in solid rock on south 

 shore of Lake Dulverton, near one of the largest 

 caves on that shore, on property of Mr. Weeding, 

 13.5 feet (4.1 meters) southeast of edge of bank, north- 

 east of unusually large she-oak tree, and in line with 

 fence crossing east end of lake. True bearings: mag- 

 netic station, 2 30'; center of front doorway of 

 cottage on brow of hill, l}4 miles (2.4 km.), 63 05'.7; 

 church spire, three-fourths mile (1.2 km.), 80 10'. 0; 

 left edge of Table Mountain, 109 3S'.6; near corner 

 of left chimney of house, half mile (0.8 km.), 138 

 37'. 5; center of near gable of house, one-fourth mile 

 (0.4 km.), 20030'.5. 



AUSTRALASIA. 



Australia continued. 



Oenpelli, Northern Territory, 1914. In home paddock, 

 about 450 feet (137 meters) north of Oenpelli Home- 

 stead, 111 feet (33.8 meters) west of east fence of 

 paddock, 80.5 feet (24.5 meters) north 37 50' west of 

 prominent tree, 372 feet (113.4 meters) north of south- 

 east post of paddock; marked by copper rivet in top 

 of ironwood stake set just below ground. True 

 bearings: near gable end of station-house, 1 28'.2; 

 southeast corner post of home paddock, 3 24'. 3; 

 bottom of left side of kitchen, 4 05'.9; near gable 

 end of kitchen, 4 43'. 7; near gable end of large bark 

 shed, 9 09'. 7; trigonometric station on distant hill, 

 about 2 miles (3.2 km.), 4833'.4; center veranda 

 post of bark house, 400 feet (122 meters), 105 35'. 2; 

 northeast corner post of home paddock, 400 feet (122 

 meters), 215 Ol'.l. 



A secondary station was established 100 paces north 

 of station and in line with magnetic station and bot- 

 tom of left side of kitchen, to test for local disturbance. 



Ooldea Bore, South Australia, 1914. On low sandy ground 

 north of survey-line of East-West (transcontinental) 

 Railway, 450 feet (137 meters) north of bore; marked 

 by mallee peg projecting 6 inches (15 cm.) above 

 ground. True bearing: hurricane lamp on north- 

 west corner post of old shed, near bore, 420 feet (128 

 meters), 359 09'.2. 



Oongudinna Water-Hole, South Australia, 1914. See 

 Marble Well. 



Ooroowilanie Reservoir, South Australia, 1914. On level 

 ground about 600 feet (183 meters) south of 

 Ooroowilanie dam, 52.2 feet (15.91 meters) west of 

 wire fence, and about same distance east of a sand- 

 hill. True bearings: arrow-head cut on tree, 71.8 

 feet (21.88 meters), 115 01'.6; center of west gable 

 of homestead, 700 feet (213 meters), 188 07'.3; east 

 corner of homestead, 700 feet (213 meters), 190 

 11'.4; corner post of fence, 1,000 feet (305 meters), 

 221 12'.8; tree at corner of fence, 300 feet (91 meters), 

 358 26'.9. 



Patchawarra Well, South Australia, 1914. Two stations, 

 designated 1 and 2, were occupied south of Patcha- 

 warra Creek. Station / is on barren clay flat, south- 

 west of well and east of mail-track to Cordillo Downs. 

 True bearing: hurricane lamp on small dump near 

 bore, 400 feet (122 meters), 222 09'.2. 



Station 2 is on south bank of small shallow creek 

 about 15 feet (4.6 meters) wide, 1,600 feet (48S meters) 

 south of Patchawarra Creek, 120 feet (36.6 meters) 

 northwest of center of mail-track and 45 feet (13.7 

 meters) from center of shallow creek-bed; marked by 

 stringy-bark peg projecting 2 inches (5 cm.) above 

 ground. True bearings: center of bore-shaft, 1,300 

 feet (396 meters), 219 36'.9; hurricane lamp on dump 

 near bore, 1,200 feet (366 meters), 221 01'.9; tree 

 stump marked with triangle chopped on, S3. 8 feet 

 (25.54 meters), 249 47'.6. 



Peak Hill, Western Australia, 1914. Northeast of town, 

 in northeast corner of recreation-reserve, 199 feet 

 (60.6 meters) west-northwest from twenty-second 

 post in east fence, and 192 feet (58.5 meters) south- 

 southwest from eighteenth post in north fence, begin- 

 ning the count with corner post in each case; marked 

 by jarrah peg set just below ground. True bearings: 

 base of trigonometric post on Peak Hill, half mile (0.8 

 km.), 35 06'.3; chimney on state battery, 2 miles (3.2 

 km.), 16719'.l; leffchimnev of Peak Hill battery, 

 1 Smiles (2.4 km.), 277 09'. i. 



Pcllew Islands, Northern Territory, 1914. See Sir Edward 

 Pellew Islands. 



