1900s (20th Century) Maps of Mainstream, Harmony
Explore 9 historic maps of Mainstream from the 1900s (20th Century). These maps offer a rare glimpse into what life looked like during the 1900s — showing old roads, neighborhoods, homes, and landmarks that have changed or disappeared over time.
Whether you're researching your family's past, planning a metal detecting trip, or studying how Mainstream's landscape evolved across the 1900s, these high-resolution maps are a powerful tool for exploring the history of this region.
- Focus on a specific era: All maps on this page are from the 1900s, giving you a focused view of this time period.
- See what’s changed: Compare century-old streets, trails, and buildings to today's modern landscape using overlays and satellite layers.
- Research with precision: Use these maps for genealogy, historical research, land use analysis, or educational projects.
- View, download, or print: Maps are fully viewable online in high resolution, and can be downloaded or printed for your own records.
Start exploring Mainstream's history through authentic maps from the 1900s. This is your window into the past.
Mainstream, Harmony maps
(9)- 1913 Map of Skowhegan
1913 Skowhegan1913 Print · USGSSomerset County thrives as a hub of rail and river industry in this pre-war survey. Genealogists can trace family names through dozens of rural landmarks like Malbons Mills, the Union Church, and neighborhood schoolhouses from Athens to Canaan.4 unique versions available - 1948 Map of Bangor
1948 Bangor1948 Print · USGSThe Maine coast and its industrial river valleys are captured here shortly after the war, showing the vital shipping and rail hubs of the late 1940s. Genealogists and historians can trace the tracks of the Maine Central RR connecting Bangor, Augusta, and Old Town. - 1955 Map of Skowhegan, 1958 Print
1955 Skowhegan1958 Print · USGSSomerset County in the mid-fifties shows a landscape of busy river towns and rural school districts connected by the Maine Central railroad. Genealogists can trace family names through landmarks like Malbons Mills, Cass Corner, and the Somerset Academy.4 unique versions available - 1956 Map of Bangor, 1966 Print
1956 Bangor1966 Print · USGSMid-century Maine comes alive in this survey of the rugged coast and river valleys during the 1950s. Genealogists and historians can trace the vital rail corridors of the Maine Central RR connecting timber towns like Old Town to the coast at Bar Harbor.3 unique versions available - 1960 Map of Bangor
1960 Bangor1960 Print · USGSCentral Maine in the sixties reveals a landscape of river-powered industry and sprawling coastal island chains. Researchers can trace the rail corridors of the Maine Central or locate mid-century aviation landmarks like Dow Air Force Base. - 1961 Map of Bangor
1961 Bangor1961 Print · USGSMid-century Maine comes alive through its busy river ports and rocky archipelagoes during a period of steady maritime and rail commerce. Researchers can trace the path of the Maine Central railroad and locate coastal landmarks from Acadia National Park to Vinalhaven Island. - 1975 Map of Skowhegan NE, 1980 Print
1975 Skowhegan NE1980 Print · USGSSomerset County, Maine, is captured in this mid-seventies orthophotograph showing the rural transition between forest and farmland. Genealogists and local historians can trace the clearings around Harmony and Mainstream or study the shoreline of Moose Pond. - 1985 Map of Skowhegan, 1986 Print
1985 Skowhegan1986 Print · USGSCentral Maine in the mid-eighties shows a landscape of river-driven industry and rural crossroads. Genealogists can trace family names and farmsteads near Lake George or along the Maine Central Railroad through Pittsfield and Burnham.2 unique versions available - 1989 Map of Harmony
1989 Harmony1989 Print · USGSThe Somerset County countryside surrounding Harmony is captured here in the late eighties, just as the regional landscape balanced its rural roots with recreation. You can trace the Old RR Grade through Mainstream or locate family sites near Great Moose Lake and Corson Corner.
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