18 
BULLETIN 537, U. S. DEPARTMENT OF AGRICULTURE. 
Table II. — Results of compression tests of rock complete to Jan. 1, 1917 — Continued. 
IOWA. 
Serial 
No. 
Locality. 
County. 
Name. 
Crushing 
strength, 
pounds 
per 
square 
inch. 
5525 
Linn 
Dolomitic limestone 
19,950 
5526 
do 
14,850 
KANSAS. 
KENTUCKY 
23,860 
7688 
25. 720 
5921 
14,900 
5922 
13,400 
MAINE. 
10219 
21,260 
18,400 
7438 
9997 
Somes Sound, Mount Desert 
Islands. 
...do 
do 
Granite 
19,780 
10233 
do 
do 
19, 220 
10234 
do 
do 
do 
24,700 
10988 
...do 
...do.... 
28,650 
10989 
do .. 
do 
do 
26,500 
10990 
. .do... 
do 
do 
32.450 
8745 
Vinal Haven 
St. George 
do 
20, 020 
8768 
do 
do 
22,800 
8769 
do 
do 
20, 930 
9781 
do 
do 
18, 780 
9865 
.. .do 
do 
do...: 
17,150 
9996 
Long Cove 
Vinal Haven 
do 
do 
17, 540 
9445 
do 
21,220 
10249 
do 
22,500 
10250 
do 
do 
Granite 
22, 330 
10366 
St. George 
do 
do 
27,050 
10019 
Vinal Haven 
do 
Biotite granite 
21,650 
7439 
Frankford 
Waldo 
do 
20,600 
MARYLAND. 
5611 
Mount Savage Junction 
Allegany 
Siliceous limestone 
34,930 
4884 
Frederick 
Frederick 
Limestone 
17, 580 
5694 
Harford.. .. 
34,410 
20,090 
5695 
....do 
...do 
5696 
do 
...do 
Gneissoid granite 
21,670 
5697 
do 
do 
Amphibolite 
34.3S0 
5698 
do 
...do 
35,210 
5699 
do 
do 
do 
22,190 
MASSACHUSETTS. 
10288 
Otis 
Berkshire 
Granite 
18,26 
6891 
Rockport 
Essex 
Biotite granite 
22,37 
6892 
do 
do 
do 
23,61 
6893 
do 
do 
do 
22,67 
6894 
...do... 
...do 
.. do 
21, 6C 
8796 
do 
....do 
...do... 
23,83 
9649 
Gloucester 
do 
Granite 
19, 5S 
9650 
do 
do 
do 
IS, 13 
9651 
Rockport 
do 
... .do 
22, 3S 
9652 
do 
do 
do 
18,78 
5671 
Westfield 
Hampden 
Altered diabase 
32,85 
