26 
BULLETIN" 670, U. S. DEPARTMENT OF AGRICULTURE. 
Table II. — Results of compression tests of rock, made prior to Jan. 1, 1916 — Continued. 
NEW HAMPSHIRE. 
Serial 
No. 
Locality. 
County. 
Name. 
Crushing 
strength, 
pounds per 
square inch. 
8872 
Melford 
Hillsboro 
15,050 
16,640 
14,870 
18,230 
16,600 
13, 420 
13,900 
15,100 
9010 
do 
do 
do 
do 
Biotite granite 
9011 
9012 
9031 
do 
do 
Mprrimapt . , 
do 
do 
Granite 
do 
do 
do 
9036 
9037 
8870 
do 
do 
...do 
do : 
do 
do 
NORTH CAROLINA. 
8396 
(i) 
Forsythe 
13,140 
8397 
(i) 
.do 
11,880 
31 520 
8682 
Spencer Mountain 
Gastonia 
8881 
do 
Quartzite 
17,100 
26,000 
8576 
Iredell 
5373 
(i) 
McDowell 
Sandstone 
22,600 
16,070 
23,220 
33 750 
9038 
5956 
Stacey 
Rockingham 
Granite gneiss 
5496 
6071 
Bostic 
Rutherford 
16,100 
5497 
18,400 
15. 200 
7433 
do.... 
do 
do 
8901 
do 
do 
Granita (near) 
do 
do 
5,100 
16,440 
9048 
do 
do 
8419 
Wake 
14, 160 
3807 
18,240 
3808 
do 
do 
do 
18, 560 
12,900 
5374 
(i) 
Quartzite 
OHIO. 
4694 
Osborne 
Clark 
8,690 
18, 960 
31, 790 
4695 
do 
9282 
9283 
.....do 
do 
do 
27,900 
24, 790 
9284 
do 
do 
do 
9285 
do 
do 
do 
26, 990 
9459 
do 
do... 
do 
24, 900 
4378 
Erie 
Limestone 
19,400 
5554 
do. .". 
do 
do 
21,850 
5753 
do 
Dolomitic limestone 
18, 530 
6055 
do 
do 
20, 810 
5505 
Marble Cliff 
do 
16, 750 
5506 
do 
do 
do 
12, 350 
5630 
do 
21,800 
4693 
11,360 
5553 
. do... 
do 
26,200 
4707 
15, 590 
8347 
Clarksfield 
9,490 
4656 
16,380 
6054 
25, 480 
6057 
Holland 
.do 
19, 430 
8402 
Toledo, 10 miles west of 
White Rock 
do... 
11,600 
6052 
do 
16, 620 
Bloomville 
Limestone 
20, 250 
Dolomite 
25.200 
OKLAHOMA. 
Granite . 
Greer Granite 
Exact locality not known. 
