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Old Maps of New Portsmouth, Middleton for Metal Detecting

Plan your next treasure hunt with 10 historic maps of New Portsmouth. Find old homesites, ghost towns, trails, and gathering spots that may be lost to time — perfect for identifying promising metal detecting locations.

  • Locate forgotten sites: Uncover places like long-lost settlements, abandoned rail lines, or gathering spots.
  • Plan better hunts: Use map overlays combined with LiDAR or satellite views to narrow in on historically rich areas.
  • Made for detectorists: Thousands of hobbyists use these maps to discover relics, coins, and hidden history.

Use these historic maps to boost your research and find new opportunities beneath the surface of New Portsmouth.

New Portsmouth, Middleton maps

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  1. 1928 Map of Wolfeboro
    1928 Map of Wolfeboro
    1928 Wolfeboro
    1928 Print · USGS
    The Lakes Region thrives in the late twenties as a premier destination for rail travelers and summer residents. Trace family history through Wolfeboro landmarks like Brewster Academy or find old stop-offs along the Boston and Maine RR.
    7 unique versions available
  4. 1949 Map of Portland
    1949 Map of Portland
    1949 Portland
    1949 Print · USGS
    Coastal Maine and the New Hampshire interior are shown in detail during the late forties, from the bustling harbors to the lakeside villages. Researchers can trace historical rail networks like the Boston & Maine RR and locate coastal defenses such as Fort Preble.
    3 unique versions available
  7. 1956 Map of Portland, 1963 Print
    1956 Map of Portland, 1963 Print
    1956 Portland
    1963 Print · USGS
    Southern Maine and eastern New Hampshire are captured here in the mid-fifties, during a time of major highway expansion and military growth. You can trace the path of the Maine Turnpike and locate landmarks like the Portsmouth Naval Shipyard and Sebago Lake.
    4 unique versions available
  10. 1958 Map of Wolfeboro, 1960 Print
    1958 Map of Wolfeboro, 1960 Print
    1958 Wolfeboro
    1960 Print · USGS
    Central New Hampshire's lake country is captured here in the late fifties, showing the established rail lines and summer colonies. Genealogists can trace family names across Federal Corner, locate Union Church, or study the grounds of Brewster Academy.
    2 unique versions available
  13. 1959 Map of Portland
    1959 Map of Portland
    1959 Portland
    1959 Print · USGS
    The Maine and New Hampshire coastlines meet in this mid-century portrait of maritime commerce and inland rail networks. Researchers can trace the legacy of coastal defense at Fort Williams and follow the historic path of the Maine Central RR through the White Mountain National Forest.
    2 unique versions available
  16. 1963 Map of Portland
    1963 Map of Portland
    1963 Portland
    1963 Print · USGS
    Coastal Maine and New Hampshire thrived as maritime and industrial hubs during the mid-sixties, linked by a dense network of rail and river. Researchers can trace historic transit corridors like the Maine Central RR and locate key sites such as the Portsmouth Naval Shipyard or Pease Air Force Base.
    3 unique versions available
  19. 1986 Map of Lake Winnipesaukee
    1986 Map of Lake Winnipesaukee
    1986 Lake Winnipesaukee
    1986 Print · USGS
    The Lakes Region in the mid-eighties shows a landscape of dense water bodies and mountain ranges at the peak of its twentieth-century character. Trace the legacy of old rail lines like the Boston and Maine RR and locate historic centers from Rumney Depot to Melvin Village.
    2 unique versions available
  22. 1987 Map of Sanbornville
    1987 Map of Sanbornville
    1987 Sanbornville
    1987 Print · USGS
    Sanbornville and the surrounding lake country are captured in the late eighties, documenting a landscape where rail history still marks the local geography. Researchers can trace rural cemetery locations and old rail stops like Burleyville Station and Cotton Valley Station.
  25. 2000 Map of Sanbornville, 2001 Print
    2000 Map of Sanbornville, 2001 Print
    2000 Sanbornville
    2001 Print · USGS
    The eastern Carroll County highlands at the turn of the millennium show a landscape of historic rail stations and protected forests. Trace local heritage at Cotton Valley Station, the Governor Wentworth State Farm, and the slopes of the Moose Mountains.
  28. 2024 Map of Sanbornville, 2024 Print
    2024 Map of Sanbornville, 2024 Print
    2024 Sanbornville
    2024 Print · USGS
    Carroll County's lakes and highlands are documented in this recent survey, showcasing the enduring settlement patterns around Sanbornville. Researchers can trace old family cemetery sites like Gage Hill Cem and the former rail path of the Inactive RR Trl.
End of results
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  • What are the different types of historical maps available for New Portsmouth?
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