48 
BULLETIN 1132, U. S. DEPARTMENT OF AGRICULTURE. 
Table 2. — Results of compression tests of rock, made prior to Jan. 1, 1916 — Continued. 
MASSACHUSETTS. 
Serial 
No. 
Locality. 
County. 
Name. 
Crushing 
strength, 
pounds per 
squareinch. 
6891 
Rockport 
Essex 
22,370 
23,610 
22, 670 
21,600 
23,830 
32,850 
13,980 
17,000 
16,250 
21,950 
6892 
do 
do 
do 
6893 
do 
do 
do.... 
6894 
do 
do 
do 
8796 
....do 
do 
do.... 
5671 
Westfield 
Hampden 
8862 
8874 
do 
do 
do 
8875 
....do 
do 
...do 
5988 
West Auburn 
Worcester 
MICHIGAN. 
MINNESOTA. 
5524 Stockton Winona. 
Argillaceous dolomite . 
6457 
6458 
8011 
5544 
5872 
6056 
8577 
4157 
9129 
9130 
7437 
8012 
8013 
0) 
C 1 ) 
0) 
Camelo 
Akron Junction . 
do 
Glovers vilie 
Alexandria Bay. 
do 
do 
do 
do 
do 
Clinton... 
do.... 
Dutchess. 
do.... 
Erie 
do.... 
Fulton... 
Jefferson. 
do.... 
....do 
....do 
....do 
do 
Rockland . 
....do 
Plagioclase gneiss. 
Pyroxene gneiss.. 
Dolomite , 
do 
Cherty limestone. 
do 
Biotite gneiss 
Granite 
....do 
do 
....do 
Gneissoid granite. . . 
Granite 
Gabbroitic diabase . 
Siliceous dolomite. . 
MISSOURI. 
6375 
Rochefort 
Boone 
13 900 
6377 
Cooper.. 
14,900 
NEW YORK. 
NEW HAMPSHIRE. 
8872 
Melf ord 
Hillsboro 
Granite 
15, 050 
16.640 
9010 
do 
do 
9011 
....do 
do 
do." 
14. 870 
9012 
....do 
do 
do 
18,230 
16,600 
13.420 
9031 
9036 
. ...do 
do 
do 
9037 
do . 
....do 
do 
13,900 
15,100 
8870 
....do 
do 
do 
NORTH CAROLINA. 
8396 
8397 
8682 
8881 
8576 
5373 
C 1 ) 
0) 
Spencer Mountain. 
Gastonia 
Mooresville 
C 1 ) 
Forsythe. . 
Gaston 
do.... 
Iredell. ... 
McDowell. 
Granite 
Hypersthene gabbro. 
Feldspathic quartzite 
Quartzite 
Biotite granite 
Sanstsone 
Exact locality not known. 
