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Old Maps of Derry Township, Pennsylvania for Metal Detecting

Plan your next treasure hunt with 24 historic maps of Derry Township. 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 Derry Township.

Derry Township, PA maps

(24)
  1. 1924 Map of Lewistown, 1958 Print
    1924 Map of Lewistown, 1958 Print
    1924 Lewistown
    1958 Print · USGS
    Mifflin County settlements line the river and valley floor during the mid-1920s, showing the region's transition from agrarian mills to industrial rail hubs. Researchers can locate vanished rural landmarks such as Union Mills, Emma Chapel, and numerous family-named sites like Strodes Mills.
    2 unique versions available
  4. 1925 Map of Mifflintown
    1925 Map of Mifflintown
    1925 Mifflintown
    1925 Print · USGS
    Juniata County in the mid-1920s is a landscape of river-oriented towns and remote mountain gaps. Genealogists and historians can trace family roots through numerous local landmarks like Peach Blossom School, Jericho Mills, and the village of Mifflintown.
  7. 1927 Map of Lewisburg
    1927 Map of Lewisburg
    1927 Lewisburg
    1927 Print · USGS
    The central Pennsylvania landscape in the 1920s is defined here by the winding Juniata River and the industrial hubs of Lewistown and Burnham. Local historians can trace old river crossings like Lafolds Ford or the many rural schoolhouses like Yoder School and Brice School.
    5 unique versions available
  10. 1934 Map of Mifflintown, 1962 Print
    1934 Map of Mifflintown, 1962 Print
    1934 Mifflintown
    1962 Print · USGS
    The Juniata River valley and the ridges of the Pennsylvania heartland appear here in the mid-1930s. Researchers can trace the path of the Pennsylvania RR through Mifflintown or locate family landmarks like Raubs Mills, Seawra Cave, and Church Hill Sch.
  13. 1937 Map of Mifflintown
    1937 Map of Mifflintown
    1937 Mifflintown
    1937 Print · USGS
    Juniata County in the mid-1930s shows a landscape of tight-knit valley communities and mountain gaps along the Juniata River. Genealogists and historians can trace family locations near dozens of rural landmarks, including Oakland Mills, Port Royal, and the Old Port Sch.
    3 unique versions available
  16. 1943 Map of Lewistown
    1943 Map of Lewistown
    1943 Lewistown
    1943 Print · USGS
    Central Pennsylvania's rugged ridge-and-valley landscape is documented here during the mid-forties, showing the deep integration of rail lines and mountain gaps. Genealogists can trace family footprints through numerous rural landmarks like Emma Chapel, Mattern Junction, and the McNitt School.
  19. 1950 Map of Harrisburg, 1952 Print
    1950 Map of Harrisburg, 1952 Print
    1950 Harrisburg
    1952 Print · USGS
    Mid-century Central Pennsylvania comes alive through its dense rail networks and river valley settlements during the post-war industrial era. Genealogists and historians can trace family roots through hubs like Harrisburg, locate Carlisle Barracks, or follow the Pennsylvania RR through the Lebanon Valley.
  22. 1957 Map of Harrisburg
    1957 Map of Harrisburg
    1957 Harrisburg
    1957 Print · USGS
    Mid-century Central Pennsylvania comes into focus as a bustling network of rail, river, and mountain ridges. Genealogists and historians can trace the development of the State Capitol and surrounding hubs like Middletown, Columbia, and Pottsville.
    7 unique versions available
  25. 1959 Map of Mifflintown, 1960 Print
    1959 Map of Mifflintown, 1960 Print
    1959 Mifflintown
    1960 Print · USGS
    Juniata County boroughs and riverfront settlements are captured here in the late fifties as modern highways began to parallel the historic rail lines. Researchers can trace family sites at Church Hill Cem, locate the old Drive-in Theater, and explore the layout of Mifflintown and Port Royal.
    5 unique versions available
  28. 1959 Map of Alfarata, 1960 Print
    1959 Map of Alfarata, 1960 Print
    1959 Alfarata
    1960 Print · USGS
    The central Pennsylvania ridges near the Mifflin-Juniata border are shown here during the late fifties, revealing a landscape of isolated valley settlements and upland state forests. Genealogists and researchers can locate family-named landmarks like Lawyers Ch, Paintersville, and the Old Railroad Grade.
    4 unique versions available
  31. 1961 Map of Harrisburg
    1961 Map of Harrisburg
    1961 Harrisburg
    1961 Print · USGS
    Central Pennsylvania is shown at a mid-century peak of industrial and military activity, from the Susquehanna water gaps to the fertile Dutch Country. Genealogists and historians can trace the rail corridors of the Pennsylvania RR and find landmarks like Carlisle Barracks or the Anthracite Coal Fields.
    2 unique versions available
  34. 1964 Map of Harrisburg
    1964 Map of Harrisburg
    1964 Harrisburg
    1964 Print · USGS
    Central Pennsylvania in the mid-fifties reveals a landscape shaped by ridge-and-valley geology and critical Cold War infrastructure. Researchers can trace the massive Indiantown Gap Military Reservation or the rail corridors of the Pennsylvania RR and Reading RR.
  37. 1966 Map of Lewistown, 1968 Print
    1966 Map of Lewistown, 1968 Print
    1966 Lewistown
    1968 Print · USGS
    Mid-century Mifflin County life is anchored by the rail and river corridors of the Junita River and Penn Central line. Researchers can locate community landmarks such as Black Hospital, Millers Tomb, and the Lind Memorial Cem.
    3 unique versions available
  40. 1966 Map of Burnham, 1968 Print
    1966 Map of Burnham, 1968 Print
    1966 Burnham
    1968 Print · USGS
    The industrial and agricultural heart of Mifflin County is captured here during the mid-sixties, from the mills of Burnham to the northern reaches of Milroy. Researchers can trace the Penn Central rail network through Mann Narrows or locate family landmarks like Alexander Cavern and Birch Hill Cem.
    3 unique versions available
  43. 1977 Map of Burnham, 1979 Print
    1977 Map of Burnham, 1979 Print
    1977 Burnham
    1979 Print · USGS
    Mifflin County agriculture and the steep slopes of the Appalachians are captured in high detail in the late seventies. Researchers can trace land use patterns near Kishcoquillas and the wooded banks of Honey Creek beneath Front Mountain.
  46. 1977 Map of Mifflintown, 1979 Print
    1977 Map of Mifflintown, 1979 Print
    1977 Mifflintown
    1979 Print · USGS
    The Juniata River valley in the late seventies reveals the tight-knit settlement of Mifflintown and neighboring Mifflin. Genealogists and historians can trace property boundaries along Lost Creek or follow the agricultural strips rising toward Shade Mountain.
  49. 1977 Map of Lewistown, 1979 Print
    1977 Map of Lewistown, 1979 Print
    1977 Lewistown
    1979 Print · USGS
    Lewistown and the surrounding ridges of Mifflin County are shown in remarkable detail in the late seventies. Researchers can trace the riverfront development along the Juniata River and identify localized landmarks like Fairview and Shade Mountain.
  52. 1977 Map of Alfarata, 1979 Print
    1977 Map of Alfarata, 1979 Print
    1977 Alfarata
    1979 Print · USGS
    Alfarata and its surrounding valley floor are captured here during the late seventies, showing the traditional strip-farming patterns of central Pennsylvania. Genealogists and local historians can trace the rural landscape around Alfarata and the path of Jacks Creek between the ridges of Jacks Mountain and Shade Mountain.
  55. 1984 Map of State College, 1985 Print
    1984 Map of State College, 1985 Print
    1984 State College
    1985 Print · USGS
    Central Pennsylvania’s Ridge-and-Valley province is captured here in the mid-eighties, showing the deep connection between the mountain terrain and the region's historic settlements. Researchers can trace the layout of Pennsylvania State University and follow old rail corridors like the Bellefonte Historical RR and Conrail.
  58. 1988 Map of State College, 1989 Print
    1988 Map of State College, 1989 Print
    1988 State College
    1989 Print · USGS
    Central Pennsylvania in the late eighties shows the sprawling influence of Pennsylvania State University against a backdrop of ancient ridges. Genealogists can trace family landmarks like Church Hill Church and the Bellefonte Cemetery across the deep valleys.
  61. 2023 Map of Alfarata, 2023 Print
    2023 Map of Alfarata, 2023 Print
    2023 Alfarata
    2023 Print · USGS
    The ridge-and-valley landscape of Mifflin County comes alive in this survey of the communities south of Jacks Mountain. Genealogists can trace family footprints at Alfarata Lutheran Cem, Wagner Cem, and the small settlement of Paintersville.
  64. 2023 Map of Lewistown, 2023 Print
    2023 Map of Lewistown, 2023 Print
    2023 Lewistown
    2023 Print · USGS
    Lewistown and the Juniata River valley appear in high detail during the early 2020s, showing a landscape of river-fronting industry and steep ridges. Genealogists can locate family sites like Lind Memorial Cem and the Sacred Heart Cem or trace the old Vincent Tram Rd.
  67. 2023 Map of Burnham, 2023 Print
    2023 Map of Burnham, 2023 Print
    2023 Burnham
    2023 Print · USGS
    The Kishacoquillas Valley of central Pennsylvania is captured here in a moment of continued rural tradition and residential growth. Genealogists can locate family sites at Back Mountain Road Amish Cem, Potlicker Flats, and the Vira Methodist Church Cem.
  70. 2023 Map of Mifflintown, 2023 Print
    2023 Map of Mifflintown, 2023 Print
    2023 Mifflintown
    2023 Print · USGS
    Juniata County life centers on the river gap between Shade Mountain and the Herringbone Ridges in this contemporary survey of the Pennsylvania heartland. Researchers can trace the layout of the boroughs at Mifflintown and Port Royal, or locate family sites at Old Church Hill Cem and Walnut.
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