MAGNETIC SURVEY OF TASMANT4. 87 
Directions fer finding M.S. mark.—In the solid rock. 
Approaching ‘River Scamander from St. Mary's, the road 
bends round sharply to the N.W., just as the bridge comes 
into sight, and discloses to the left a smail gully. © Proceed- 
ing up the guily a short distance, the M.S. mark will be 
found on the ieft-hand slope, at a height of about 16 feet 
above sea-level. Its exact position may be found by a, 4, ¢, 
d, ¢, f, g, above. 
Station. —Springtield, near Scotisdaie. Lat. 41° 11’ 12%, 
Long. 9h. 49m. 57:3. 
Se ee er Sa ee 
Date. | Time, | Element. | 
a a a yt ee et oe og 
Jan. : 
140 | 7°8-8-25 pam. Declination | 10° 1' 49” E. 
14 | Vibration 4:34-4°43 pm } Horizontal | 6140 
| Defiection 11°48 a. al, Force i eRe 
13 | 2°45-3°45 o.m. realy ‘ | £A0 » 
[415-515 pm. [4 Ss es 
eae ne 2d eae 
The rock surrounding the sie is a quartz-mica dilorite. 
Its relation to the neighbouring sedimentary beds and 
granite is obscure. 
simuths—[For A and B, sce fi gure %., plate II.} Prom:- 
nent depression near the highest point of Mt 
48' 23/'. Left edge of a provinent upright rock, B, 
5' 48" Huge granite like see oe part of west 
houndary-fence of paddock containing M.S. mark, c, about 
58° 13) West end of roof of hawk: d, seo 49! 50", 
Mount Stronech cairn pole (dificult object on hazy weather), 
E, 244° 29’ 20’. Apparent highest, 3 point os mountain 
peak, thickly wooded almost up to summit, F, 347° 41, [A 
and F are finders for B and E.j 
Magnetic station from M.S. mark.—Distance, 245-9 cos 
7° 2' feet; azimuth, 1649 7’ 21” 
Directions for finding M.S. mayk.—in the solid rock. 
Proceeding from Scottsdale to Launceston, along the mam 
road, afterreaching apeint 0°44 mile(bycyciometer) beyond 
Springfield Church oi Engiand Ch: wong a huge granitelike 
boulder (¢ above) is promimently seen om the right. It 
forms part of the boundary-fence of the paddock containing 
the M.S. mark. To find the mark note ¢ above, and also 
that the distance between c and the mark is 81 feot. 
