Books
Edible and Medicinal Plants of the West
Edible Wild Plants: Wild Foods From Dirt To Plate
Survival Arts of the Primitive Paiutes
Indian Fishing-Early Methods of the Northwest Coast
Wild Harvest - Edible Plants of the Pacific Northwest
Camp Out - The Ultimate Kids Guide
Information
Compass Formula
|
< |
Ratio |
|
5 |
0.09 |
|
10 |
0.18 |
|
15 |
0.27 |
|
20 |
0.36 |
|
25 |
0.47 |
|
30 |
0.58 |
|
35 |
0.70 |
|
40 |
0.84 |
|
45 |
1.00 |
|
50 |
1.19 |
|
55 |
1.43 |
|
60 |
1.73 |
|
65 |
2.14 |
|
70 |
2.75 |
|
75 |
3.73 |
|
80 |
5.67 |
|
85 |
11.4 |
