2010 Map of Boulder Lake Reservoir

This historical map portrays the area of Boulder Lake Reservoir in 2010, primarily covering Fredenberg Township as well as portions of Gnesen Township. Featuring a scale of 1:24,000, this map provides a highly detailed snapshot of the terrain, roads, buildings, counties, and historical landmarks in the Boulder Lake Reservoir region at the time. Published in 2010, it is the sole known edition of this map.