244 
GRAVEL AND PLACER MINING IN ALASKA. 
[BULL. 263. 
Below are given the United States customs duties on small mining 
supplies: 
United States customs duties. 
Articles. 
Duty. 
Boilers and engines, first and second hand 
Points (steam), sluice forks, picks, shovels, axes 
Sledges 
Drill steel 
Hydraulic hose 
Cast pipe 
Hydraulic pipe 
Gas pipe 
Rubber hose 
Coke 
Bituminous coal 
Dynamite 
Black powder 
Qaps 
Fuse 
Candles 
Nails, wire 
Nails, wrought iron 
Steel rails 
Wire cable 
Centrifugal pumps 
Sawed lumber 
Wheelbarrows, iron 
Rope 
Self-dumping carriers 
Asphalt coating 
Hydraulic giants . 
Lubricating oils 
Copper plates 
Cement 
Quicksilver 
Iron castings 
Iron castings, ground and fitted 
45 per cent ad valorem. 
45 per cent ad valorem. 
1J cents per pound. 
4.7 cents per pound. 
20 cents per pound. 
4.7 cents per pound. 
2 cents per pound. 
35 per cent ad valorem. 
30 per cent ad valorem. 
25 per cent ad valorem. 
67 cents per ton. 
6 cents per pound. 
6 cents per pound. 
$2.36 per thousand. 
45 per cent ad valorem. 
25 per cent ad valorem. 
One-half cent per pound. 
2\ cents per pound. 
Seven-twentieths cent per 
pound. 
1 cent per pound and 40 per 
cent ad valorem. 
45 per cent ad valorem. 
$2 per thousand and 50 cents 
for each side dressed. 
45 per cent ad valorem. 
1 cent per pound. 
45 per cent ad valorem. 
$3 per ton. 
45 per cent ad valorem. 
25 per cent ad valorem. 
2\ cents per pound. 
8 cents per 100 pounds. 
7 cents per pound. 
Eight-tenths cent per pound. 
45 per cent ad valorem. 
