33 CFR §167.1321

1. (a)A separation zone bounded by a line connecting the following geographical positions:
2. (b)A traffic lane for northbound traffic located within the separation zone described in paragraph (a) of this section and a line connecting the following geographical positions:
3. (c)A traffic lane for southbound traffic located within the separation zone described in paragraph (a) of this section and a line connecting the following geographical positions:
4. (d)Precautionary area “CA” contained within a circle of radius 1.24 miles centered at geographical position 48°45.30′ N, 122°46.50′ W.
5. (e)A separation zone bounded by a line connecting the following geographical positions:
6. (f)A traffic lane for northbound traffic located within the separation zone described in paragraph (e) of this section and a line connecting the following geographical positions:
7. (g)A traffic lane for southbound traffic located within the separation zone described in paragraph (e) of this section and a line connecting the following geographical positions:
8. (h)Precautionary area “C” contained within a circle of radius 1.24 miles centered at geographical position 48°40.55′ N, 122°42.80′ W.
9. (i)A two-way route between the following geographical positions:
10. (j)Precautionary area “RB” bounded as follows:
    1. (1)To the north by the arc of a circle of radius 1.24 miles centered on geographical position 48°26.38′ N, 122°45.27′ W and connecting the following geographical positions:
    2. (2)To the south by a line connecting the following geographical positions: