This historical map portrays the area of Helena in 1950, primarily covering Lewis and Clark County as well as portions of Jefferson County. Featuring a scale of 1:62500, this map provides a highly detailed snapshot of the terrain, roads, buildings, counties, and historical landmarks in the Helena region at the time. Published in 1966, it is one of 7 known editions of this map due to revisions or reprints.
7 editions found
7 maps found