Alaska.Guide

Found on Topo Maps:

Petersburg B-6 (1948), Petersburg B-6 (1951), Petersburg B-6 (1951), Petersburg B-6 (1951), Petersburg (1952), Petersburg (1952), Petersburg (1952), Petersburg (1952), Petersburg (1952), Petersburg (1960), Petersburg (1960), Petersburg (1960),

Alvin Bay, Alaska

Coordinates:
56 ° 26' 5" N, 133 ° 53' 58" W

Borough:
Petersburg (CA)