Page 54 of the regs states the following:
Gulf of Alaska drainages between Gore Point and Cape Fairfield, including the Nellie Juan and Kings River drainages, and including the Kenai River drainage upstream from the Russian River, the drainages into the south side of Turnagain Arm west of and including the Portage Creek drainage, and east of 150° W. long., and all Kenai Peninsula drainages east of 150° W. long., from Turnagain Arm to the Kenai River, and all seaward waters and lands within three (3) miles of these coastlines.
Given the following, what unit would Placer and 20mile reside?
The verbiage could suggest either unit if you stare at it long enough.