50 
BULLETIN 1132, U. S. DEPARTMENT OF AGRICULTURE. 
Table 2. — Results of compression tests of rock, made prior to Jan. 1, 1916 — Continued. 
P ENNS YL V A NIA— Continued . 
Serial 
No. 
Locality. 
County. 
Name 
Crushing 
strength, 
pounds per 
square inch. 
9347 
Connellsville 
Bedford 
26,050 
22 330 
5604 
Water Street 
Huntingdon 
5557 
Walford 
Lawrence 
Limestone 
27 500 
6153 
Porter Township 
do 
"Lynnminp' _ . 
28,580 
26,860 
18,610 
22,930 
21,900 
14, 160 
9,680 
12 130 
6154 
do 
do 
6155 
do 
do 
do 
do 
6156 
do 
do 
6157 
do 
do 
Limestone 
6158 
do 
do 
do 
7980 
Port Allegheny 
(i) 
McKean 
Feldspathic sandstone 
8022 
(i) 
8023 
(i) 
(i) 
do 
14^000 
12 480 
8024 
(i) 
C 1 ).. . 
...do . ... 
3243 
26' 900 
26,340 
32,560 
27 400 
5830 
Prompton 
Wayne 
Feldspathic sandstone 
5605 
Blairsville intersection 
York 
Westmoreland 
York 
Siliceous limestone . 
7428 
Dolomitic marble 
RHODE ISLAND. 
Westerly. 
do... 
do... 
Washington. 
do 
do 
Granite. 
....do.. 
do.. 
SOUTH CAROLINA. 
8389 
Williamstown 
Anderson 
Granite 
12,990 
5568 
Rion 
Fairfield 
do 
29. 180 
5586a 
do 
do 
do 
25,790 
19 240 
5586b 
...do 
.....do 
do 
5586c 
do 
do 
do 
33 880 
TENNESSEE. 
5597 
Carter 
22,750 
21, 730 
5502 
Straw Plains 
Jefferson 
do 
5504 
. do -.. . 
do 
do 
28 340 
5503 
.do 
do 
38,070 
17,970 
6533 
Knox 
Marble 
VERMONT. 
East Wallingford. 
Barre 
Rutland 
Washington- 
Altered diabase. 
Granito 
VIRGINIA. 
8804 
"Albert 
Bedford 
Granite gneiss 
13, 820 
6796 
(i) 
Granite 
13, 150 
4900A 
Broad Run 
Fauquier 
Quartz 
28,400 
4900B 
..do 
do 
Epidosite 
28,000 
13,210 
5923 
Fluvanna 
Chlorite epidote schist 
5678 
Eggleston (near) 
Giles ....... 
45, 690 
13, 550 
5924 
Granite gneiss 
6615 
Koran Station 
Henrico 
Biotite granite 
20, 300 
5925 
16, 500 
17,780 
36,900 
21, 450 
40,850 
17,600 
21,500 
5492 
Prince William 
Ferruginous sandstone 
5920 
5382 
Bluff Water Station... 
do 
5385 
do 
do 
5375 
St. Paul 
....do 
7217 
Burkes Garden 
Dolomitic sandstone 
1 Exact locality not known. 
