PRODI '("II o.\. 
L3] 
Production of slate in the 
United States, by 
years, from 1879 in . 
( !on1 Milled. 
L903. L904. 
State or Territory. 
Roofing 
slat* , 
squares. 
Value. 
Other 
purposes 
than 
roofing 
slate 
Total 1: ' 
value. ., 
Value. 
Other 
purposes 
than 
roofing 
slate. 
Total 
value. 
118 
10. 000 
$709 
70, 000 
$4,000 
1 . 7 -i i 
70,000 5.600 
4,500 
L20,838 
131,245 
California 
1,(11)11 
20,789 
Maine 
27.2.77 
24. 175 
L57,9U 
135. 12 I 
73,:; 19 
2,207 
231 -v." 
60,330 
2,727 
137,631 
22,628 
Massachusetts 
Michigan 
7,647 
L5,690 
87 1 , 875 
33, 403 
89,548 
3, 378, 804 
33, 103 
111, 998 
3,959,906 

22, l-'.ii 
581,102 

10,022 
778, 825 
li:> 
.Ml 
361, 126 
64, L02 
2,922,259 
607 
300 
L30,208 
7, 111 
710,987 
71 543 
Pennsylvania 
3,633,246 
Ctuli _ 
300 
391,36!; 1.363.923 
228, 729 
115,356 
162,421 
29, 646 
Other States 
Total 
1, 378, 194 
5,345,078 911.807 
5,617, 195 
The following table nhows the number of squares and value of roofing slate, average 
value per square, and value of milled slock, by years, from L879 in L904, inclusive: 
Values of roofing slate produced in Hn United States, 1879-1904. 
Roofing slate 
Value "i 
milled 
stock. 
Year. 
Number of Value 
squares. 
a \ erage 
price pei 
square. 
Total 
value. 
1879. 
367,857 <- 1.231. 221 
83. 35 
:;. in 
3. 7."> 
3.83 
3.00 
3.00 
3.10 
3. 35 
3. 50 
3.56 
:;. 55 
3. 12 
3.22 
3.36 
3.09 
3.42 
3.14 
3.15 
3.88 
3.78 
a $1,231, 221 
1880 
157,267 
454,070 
501,000 
506,200 
181,004 
536,960 
536,790 
573, l.:'.' 
662,400 
893,312 
621,939 
738, 222 
729, 927 
673,304 
1,001,448 
916,239 
1,100,513 
1, 191,048 
1,304,379 
l. i. 
1,378, r.M 
1,233,757 
a 1,529 
a L, 54 
a 1 . 7r>:i, 500 
al,898,250 
L, 843 
L, 638, 167 
L, 610, 370 
1 , 720, 317 
,;. mi 
2,797,904 
3,125,410 
:;,:;9(i,625 
2, 209, 049 
2,301,138 
2,351,509 
2,263,748 
3, 097, 452 
3,129,390 
3, 454, 817 
3, 596, 182 
4,114,410 
1 '.GO, 428 
5, 345, 078 
4, 669, 289 
a l. . 
1881 
«i,;.; 
" 1 , 753, 500 
" l . i 
1882 
1883 
18,000 
10,(1(10 
1884 
1885.... 
1,851,865 
L, 648, 467 
1886 
L, 610,370 
1887 
1,720,:; 17 
1888 
2,053,440 
1889 
700,336 
720,.-)! 10 
314,124 
347, 191 
482, 157 
127. L62 
(il 1,2-1 
673, L15 
745,623 
911,807 
947, 906 
;;. i- 
1891 
3,8: 
1892.. 
4,117, L25 
1893 
2,".2:;. 17:: 
1894 
2, 7 " 
1895 
2,698,700 
1896 
2,7; 
1897 
3,524,614 
1898 
3,' ! 
1899 
3, i 1 
1900 
4,210. 166 
1901 
1,787,525 
1902 
",.1196,051 
1903 
1904 
5, 617, 195 
a Estimated. 
