TABLES 
Page. 
1. Average capacity and cost of gold gravel mining and operations in north- 
western America 38 
2. Rainfall in Alaska 48 
! '» . A verage dates of last spring and first fall frosts 49 
4. Average dates of opening and closing of the Yukon 49 
5. Table of temperature 49 
(>. Table of stream volumes 52 
7. Table of stream grades along important sections of their courses, Alaska.. 54 
8. Table of ditches and flumes 104 
9. Data necessary in ordering hydraulic pipe 130 
10. Water required and effective work of double-jointed hydraulic giants, with 
table of sizes, volumes and heads of water, weights, and prices 135 
11. Duty of miner's inch in northern placer mining 139 
12. Water required in hydraulic elevators 155 
13. Fineness of gold by districts and creeks 207 
14. Scale of wages in Alaskan camps, including Dawson, Yukon Territory, and 
Atlin, British Columbia 211 
15. Cost of firewood and flume lumber in Alaskan camps, including Dawson, 
Yukon Territory, and Atlin, British Columbia 215 
16. Cost of road construction 221 
17. Ocean freight and passenger rates for 1904 from Seattle to Alaskan coast 
points, including lightering when necessary 230 
18. Through freight and passenger rates for 1904 from Seattle to interior Yukon 
points, via White Pass route, rail and water, season June 15 to Sep- 
tember 15 233 
19. Through freight and passenger tariff for 1904 between San Francisco, 
Seattle, and Yukon, Koyukuk, and Tanana points via St. Michael 234 
20. Local freight and passenger rates for 1904 via river steamer from Dawson 
to points on Yukon and Tanana rivers 235 
21. Local passenger and freight rates on the Tanana 235 
2. Local passenger tariff on Koyukuk River, 1904 236 
3. Packing rates from Rampart, Alaska, to creeks, 1 904 237 
1. Freight rates from Circle, Alaska, to creeks, winter and summer 238 
5. Freight rates from Fairbanks, Alaska, to creeks, winter and summer 238 
ii. Local freight and passenger rates in Seward Peninsula, with rates of lighter- 
ing cargo at Nome 240 
7. Distances between towns in Alaska, excluding Seward Peninsula 246 
8. Local distances between points on Seward Peninsula 247 
9. Distances from main supply points in Alaska to neighboring creeks 247 
30. Prices of mining supplies in the North 249 
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