69 
6 
Amount of pumice used in the manufacturing industries, 
as reported by the consumers:— 
Location 
No. of firms 
reporting 
consumption 
Domestic 
Imported 
Tons 
Tons 
11 
39 i 
Quebec 
22 
230|« 
179*5 
5A 
m 
Ontario 
132 
Prairie Provinces. 
12 
British Columbia 
6 
Canada (Total) 
183 
— 
4S8iJ 
The following imports are reported by the Department of 
Customs:— 
1910-1911 1911-1912 1912-1913 
Pumice and pumice stone, lava and 
calcareous tufa not further manu 
factured than ground 1 $16,284 $19,527 $20,693 
1 This probably includes imports of volcanic ash, see page 108.