Corals and coral islands.

414

APPENDIX.

4. THOMAS SQUARE WELL, S. OF PUNCH- 6. ICE CO. (SASS') WELL, S. OF PUNCHBOWL. BOWL.

Thick- Depth.
ness. I

Soil 6, black sand 6, clay 4
CORAL...
Brown clay..
CORAI.....
Brown clay..
WHITE CORAL,.
Brown clay..
Bed-rock or lava...

16
200
44
10
60
50
80
49

216
260
270
330
380
460
509

I I

Soil 4, black sand 10
CORAL..
Brown clay...
CORAL..
Clay...
CORAL..
Clay..
Lava, bed-rock.

Thick- Depth.
ness. Depth.
14
200 214
38 252
25 277
40 317
80 397
53 450
53 503....

5. WARD'S, S. OF PUNCHBOWL.

I

Soil and sand...
CORAL...
Yellow clay..
HARD CORAL...
Yellow clay..
CORAL.
White and yellow clay,
sand...
Lava....

Thickness.
15
20)4
4
1
109
23
111
4

Depth.
219
260
261
370
393
504
508

7. WILCOX, S. OF PUNCHBOWL.
Thick- D
ness.
Soil 4, black sand 6.. 10
CORAL..50
Hard lava (fr. Rocky Hill ) 40
Clay....... 30
CORAL....... 120
Clay....... 30
CORAL... 70
Clay........ 100
Bowlders, clay, gravel. 85
Lava bowlders 40, clay 45 85
Lava or bed-rock... 40

epth.
60
100
130
250
280
350
150
*35
120
360

I I.. _

2. ARTESIAN WELLS SOUTHWEST OF ROCKY IILL.

8. DILLINGHAM WELL.
Thickness.
Loam, gravel, clay.. 90
CORAL....... 40
Clay....... 60
CORAL....... 20
Clay, black sand... 40
Lava (fr. Rocky Hill 1). 50

Depth.

130
190
210
250
300

9. DAIRY WELL (SOUTHERN).
Thick- Depth.
Soil, sand, clay... 60
CORAL....... 10 70
Clay... 35 105
CORAL (clay 5 incl.).. 100 205
Black clay...... 25 230
CORAL. 10 240
Clay 30, sand, gravel. 40 280
Lava, black (fr. Rocky
Hill,)....... 10 290
S

10. DAIRY WELL (NORTHERN).
Thick- epth
ness. pth.

Soil, clay...
Bowlder clay.
CORAL and clay.
CORAL.
Clay, sand, gravel
Bed-rock, lava

30
90
15
10
25
43

i
120
135
145
170
213

11. MARQUES WELL.
Thick- D
Depth.
ness.
Earth... 10
Sandy, soft CORAL... 20 30
Lava, layers of gravel.. 40 70
Clay....... 0 100
Lava in layers.... 195 295