This historical map portrays the area of Roche Harbor in 1981, primarily covering San Juan County as well as portions of Whatcom County. Featuring a scale of 1:100000, this map provides a highly detailed snapshot of the terrain, roads, buildings, counties, and historical landmarks in the Roche Harbor region at the time. Published in 1981, it is one of 2 known editions of this map due to revisions or reprints.