312 



Land Magnetic Observations, 1914-20 



NORTH AMERICA. 



United States continued. 



Jones Park, Colorado, 1918 continued. 



about 1 km., 292 02'.5; northwest corner of fenced 

 inclosure, 58.5 feet (17.8 meters), 295 53'. 



Lake Moraine, Colorado, 1918. Station A is on northern 

 shore of Lake Moraine, 30 feet (9 meters) northwest 

 of water's edge, 125.4 feet (38.22 meters) east of 

 northeast corner of keeper's lodge. True bearings: 

 northeast corner of Kinikinic Lodge, 88 04'. 1; north- 

 east corner of keeper's lodge, 121 35'. 3; middle of 

 platform Pikes Peak tower, 124 01'. 1; northeast 

 corner of eaves of barn, 216 38'.6. 



Station B was selected for eclipse observations, 

 about 85 yards (78 meters) north-northeast of keeper's 

 lodge, about 160 feet (49 meters) northwest of cabin 

 at edge of lake, and about 25 feet (7.6 meters) above 

 surface of lake. True bearings: north end ridge 

 Kinikinic Lodge, 39 42'.4; monument on Camerons 

 Cone, 244 41'.8. 



Lakin, C. & G. S., Kansas, 1918. Exact reoccupation of 

 U. S. Coast and Geodetic Survey station of 1904. 

 In Lakin cemetery one mile (1.6 km.) northeast of 

 town, near south side of cemetery in main driveway 

 extending north and south, 41.1 and 47.4 feet (12.53 

 and 14.45 meters) southwest of northwest and south- 

 east corners respectively of Beaty tomb, 21.6 feet 

 (6.58 meters) west of northwest corner of Whinery 

 gravestone, 17.7 feet (5 40 meters) east of northeast 

 corner of Susannah Swaniek gravestone, and 45.1 

 feet southeast of southeast corner of James Oscar 

 Martin gravestone; marked by cement post lettered 

 1904. True bearings: west edge of water-tank in 

 Lakin, 22 38'.8; spire on Methodist church, 34 

 44'. 7; cupola on schoolhouse, 41 58'.2; southwest 

 corner of farmhouse, 175 52'. 7. 



Lakin, Eclipse, 1918. Near home of Mr. Pittinger, Z x /i 

 miles (5.6 km.) south and 2y 2 miles (4.0 km.) west 

 of Lakin, 68.2 feet (20.79 meters) northwest of electric 

 power pole at north side of road, 103.8 feet (31.64 

 meters) northeast of locust tree near southwest 

 corner of field, 5S.9 feet (17.95 meters) southeast of 

 southeast corner of building used as variometer sta- 

 tion during eclipse; marked by brass-bound tripod 

 peg. True bearings: southeast corner of pumping 

 plant, section 17, 16 34'. 5; southeast corner of Mr. 

 Pittinger's house, 87 06'. 8; southeast corner of 

 building used as variometer station, 110 13'.3; 

 middle of chimney on farmhouse, 244 50'. 1. 



Langley Field, Virginia, 1917. Four stations, designated 

 A, B, C, and D, were occupied, on aviation field. 

 Station A is about 300 yards (274 meters) north of 

 temporary airplane hangars, nearly on line from 

 hangar No. 3 to west one of two silos about 1 mile 

 (1.6 km.) distant on old Kimberley farm, now part 

 of Langley Field, and in line between south pair of 

 white poles marking measured one-mile course and 

 south end of brick barn near building now used as 

 temporary headquarters, about 45 paces west of well 

 with cement curb, and west of road along which a 

 trunk sewer is laid. True bearings: light in north 

 gable of hangar No. 3, 59'. 2; flag on tower back of 

 hangars, 25 07'. 8; right north mile range-pole, 163 

 25'.3; tip of westmost of 2 silos, 180 49'.0; tip of 

 eastmost of 2 silos, 181 19'.4; west gable of red barn 

 used as temporary headquarters, 298 23'.8. 



Station B is directly in front of hangar No. 2, in a 

 line from gable of hangar No. 3 to top of left silo 

 on Kimberley farm, just at edge of whitewashed line 

 marking limit of flying field. Station B is south 

 meridian point of meridian fine for testing of airplane 

 compasses; marked by cement platform upon which 



NORTH AMERICA. 



United States continued. 



Langley Field, Virginia, 1917 continued. 



machines are swung. True bearing: top of left silo on 

 Kimberley farm, 180 49'.0. 



Station C is at northeast corner of seaplane hangars, 

 about 15 yards (14 meters) northeast of northeast 

 corner of hangar No. 4, about 20 feet from water's 

 edge. True bearing: signal-post in water, 10 16'.0. 



Station D is on concrete runway from entrance to 

 hangar No. 3 to water, on line from station C to 

 signal-post in water south of hangars. True bearing: 

 signal-post in water, 10 16'.0. 



Manitou, A, Colorado, 1918. On a plateau north of Cliff 

 House and south of Serpentine Road to Cave of the 

 Winds, on grounds in rear of Williams Cottage, west 

 of Williams Canon, 148.5 feet (45.26 meters) north- 

 east of northwest corner of cottage, 49.5 feet (15 09 

 meters) south of a line of posts at north of premises, 

 84.2 feet (25.66 meters) southeast of southwest corner 

 of fence around small cottage to northeast, nearly in 

 line with east end of Williams Cottage, in line with 

 a point 2 feet (0.6 meter) west of fence corner and 

 Davis house south of Manitou at foot of Iron Moun- 

 tain, and in the line from gate near southwest corner 

 of small cottage to center of middle one of 3 wooden 

 railway-trestles on Colorado Midland Railway. True 

 bearings: split in boulder across carton, 52 37'.2; 

 box on Eagle Cliffs, 82 04'.0; cupola on Davis house 

 at foot of Iron Mountain, 336 17'.6; ball on cupola of 

 schoolhouse, 338 19'.1. 



Middle Hooper Island, Maryland, 1919.- On northern end 

 of island, about 30 yards (27 meters) east of main 

 shell road running through island about 1 mile (1.6 

 km.) south of bridge connecting Upper and Middle 

 Hooper islands, about 50 yards (46 meters) northeast 

 of shed at west edge of road, used for storing fishing- 

 nets, in line with shed and Point No Point Lighthouse, 

 and about 300 yards (274 meters) south of house of 

 Henry Travers; marked by a wooden stake. True 

 bearings: Hooper Island Lighthouse, 66 07'.4; right 

 tangent chimney of Henry Travers's house, 146 

 24'.7; left tangent chimney of Mrs. Minnie Travers's 

 house, 358 38'.2. 



Midland, Colorado, 1918. About 1.5 miles (2.4 km.) north 

 of Midland station on Colorado Midland Railway, 

 about one-fourth mile (0.4 km.) north of third high- 

 way crossing, in a pasture about 100 feet (30 meters) 

 east of fence along highway, 15 feet (4.6 meters) west 

 of deep washout, and directly in fine with center line 

 of 18-inch (46-cm.) galvanized-iron culvert under 

 highway. True bearing: railroad crossing warning at 

 third crossing from railway station, 358 23'. 0. Ap- 

 proximate bearings: summit of Rhyolite Mountain, 

 3 06'; culvert under highway, 98 58'; fence corner 

 near highway, 181 07'. 



Mountain View, Colorado, 1918. At right of railway to 

 summit of Pikes Peak, about 1,000 feet (305 meters) 

 south of station at Mountain View, on a bare sandy 

 ridge reached by following cog-road down to point 

 where a trail crosses a little stream, thence following 

 trail over a low ridge, and across a deeper ravine, 

 where it turns sharply upward toward left, in line 

 with turn of cog-road around Windy Point and a 

 point a little above railway station. True bearings: 

 east gable of Mountain View station, 26 32'.8; Sum- 

 mit House, center of upper platform, 99 37'.7; large 

 dead tree on Cameron Cone, seen just over summit 

 of a low hill, 275 41'.9; Pilot Knob, 313 07'.6; notch 

 in rocks in sky-line of saddle, 345 52'.9; summit of 

 Bald Mountain, between two rocks slightly west of 

 summit, 354 39'.0. 



