HUDSON ftlVEft FRONT. 
37 
Summary of records of borings made in New York and vicinity — Continued. 
1. BORINGS BENEATH CHANNELS ON WATER FRONT— Continued. 
Serial 
num- 
ber. 
Location. 
Depth of boring to rock. 
As given. 
Referred 
to U.S. 
datum, 
Sandy 
Hook. 
Kind of rock, if known. 
Hudson river front — continued. 
Dock line— Continued. 
Pier — Continued. 
158 
159 
160 
161 
Foot of Bethune street 
- 95 
- 85 
-110 
-180 
12th street 
55 (old), foot of Horatio street. 
52 (new), foot of 22d street. . . . 

162 
163 
164 
165 
166 
167 
168 
53 (new), foot of 23d street 
175 
-170 
-152 
-105 
-85 
- 80 
60 
56 (new), foot of 26th street . . . 
Foot of 35th street . . . .* 
36th street 
38th street 
39th street 
44th street 
169 
46th street 
50 
170 
171 
! 172 
173 
50th street 
40 
30 
- 40 
- 29 
53d street 
56th street 
57th street 
174 
59th street 
- 55 
Bulkhead line, a 
Pier — 
1 175 
1 (old), Battery place 
— 35.2 
— 38 
Granite. 
176 
3 (old), between Battery place 
and Morris street. 
40. 2 
- 43 
Do. 
177 
6 (old), near Rector street 
- 42.2 
- 45 
Do. 
i 178 
10 (old), near Carlisle street. . . 
- 46.09 
- 48 
Mica-schist. 
179 
13 (old), near Albany street... 
- 40.51 
- 43 
Syenitic granite. 
180 
18 (old), near Cortlandt street. 
- 44.35 
- 47 
Do. 
; 181 
24 (old), near Vesey street 
- 51.08 
- 53 
Coarse granite. 
182 
Barclay street ferry 
- 45.38 
- 48 
Pier— 
183 
28 (old), near Murray street. . . 
- 75.44 
- 78 
Granite. 
184 
30 (old), near Chambers street. 
— 85.65 
- 88 
Do. 
185 
35 (old), near Franklin street. . 
- 78.36 
- 81 
Do. 
a Depths taken from profile of rock furnished by New York department of docks. No. 183, mica 
chist 8.91 feet, rest granite; 191, 4-inch boring; 192, 10 feet from end of pier; 193, 20 feet west of bulk 
jead line, dark wand last recorded material: 19G, 15 feet east of bulkhead line; 198, 8 feet from end o 
tier. 
