RESULTS OF PHYSICAL TESTS OF ROCK, 1M.G AND I'M 7. 



c 2f, 



Table II. — Results of compression tests of rocks, made prior to Jan. /. 191& Contd. 



MAINE. 



Serial 

 No. 



Locality. 



County. 



Name. 



Cru dine 



Btrength, 



pounds per 



squareinch. 



7438 





Hancock 





18,400 

 20,020 



8745 



Vinal Haven 







8768 



St. George 



do 



.do 



22 WK) 



8769 



Vinal Haven 



....do 



...do.... 



20 930 



8781 





do 



do.... 



IK, 7 SO 



9865 



do 



....do 



.do.... 



17 150 



9996 





do 



. .do 





9445 



Vinal Haven 



do 





21 , 220 



10366 



St. George 



....do 



...do 



27,050 



7439 



Frank! ord 



Waldo 



.do.... 



20, UK) 

















MARYLAND. 





5611 



Mount Savage Junc- 

 tion. 



Allegany 





34,930 



4884 



Frederick 





17,580 



5694 



do 



Harford 





34,410 



5695 



do 





20,090 



5696 



....do 



....do 





21,670 



5697 



....do 



do 





34, 380 



5698 



do 



do 





35,210 



5699 



do 



do 



..do 



22,190 













MASSACHUSETTS. 



6891 

 6S92 

 6893 

 6894 

 8796 

 5671 

 8S62 

 8874 

 8875 

 59S8 



6457 

 6458 

 8011 

 5544 

 5872 

 6056 

 8577 

 4157 

 8S33 

 8902 

 9129 

 9130 

 7437 

 8012 

 8013 



Rockport 



do 



do 



do 



do 



Westfield 



Westford 



do 



do 



West Auburn . 



Essex 



do 



do 



do 



do 



Hampden. 

 Middlesex. 



do 



do 



Worcester. 



Biotite granite . . 



do 



do 



do 



do 



Altered diabase . 



Granite 



do 



do 



Mica gneiss 



C 1 )- 



(») 



( l ) 



Camelo 



Akron Junction . 



do 



Gloversville 



Alexandria Bay. 



do 



do 



do 



do 



do 



(') 



« 



Clinton.... 



do 



Dutchess.. 



do 



Erie 



do.... 



Pulton.... 

 Jefferson . . 



do 



do 



do 



do 



do 



Rockland . 

 do 



Plagioclase gneiss . . 



Pyroxene gneiss 



Dolomite 



do 



Chertv limestone. . . 



do 



Biotite gneiss 



Granite 



do 



do 



do 



Gneissoid granite... 



Granite 



Gabbroitic diabase . 

 Siliceous dolomite.. 



22,370 

 23,610 

 22, 670 

 21,600 

 23,830 

 32,850 

 13,9S0 

 17,000 

 16,250 

 21,950 



MICHIGAN. 



9593 









10,300 













MINNESOTA. 



5524 









16,000 













MISSOURI. 



6375 









13,900 



6377 









14,900 













NEW YORK. 



18.500 

 20,500 

 34, 450 

 29,050 

 16, 700 

 31. ISO 

 14.5S5 

 21,600 

 26,180 

 14,150 

 14,390 

 17:600 

 27,200 

 31,300 

 22.200 



i Exact locality not known. 



