Old Maps of Mount Rock, Derry Township
Explore 12 old maps of Mount Rock, spanning from 1924 to today. These high-resolution historic maps reveal how streets, neighborhoods, landmarks, and natural features evolved over time — perfect for genealogy, metal detecting, research, and local history exploration.
What you can do with these maps:
- See how Mount Rock changed over time: Compare historical maps to modern-day views to trace roads, homesites, rail lines & more.
- View detailed metadata: Each map includes creators, publishers, year, scale, and archive source.
- Overlay maps with satellite & LiDAR: Visualize the past alongside modern tools to explore terrain & human change.
- Trusted historical sources: Maps sourced from the USGS, Library of Congress, and other archives.
- Access maps your way: View online, download high-res files, or order prints for personal or research use.
Start exploring old maps of Mount Rock to uncover forgotten places, hidden landmarks, and the deep history beneath your feet.
Mount Rock, Derry Township maps
(12)- 1924 Map of Lewistown, 1958 Print1924 Lewistown1958 Print · USGSMifflin 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
- 1927 Map of Lewisburg1927 Lewisburg1927 Print · USGSThe 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
- 1943 Map of Lewistown1943 Lewistown1943 Print · USGSCentral 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.
- 1950 Map of Harrisburg, 1952 Print1950 Harrisburg1952 Print · USGSMid-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.
- 1957 Map of Harrisburg1957 Harrisburg1957 Print · USGSMid-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
- 1961 Map of Harrisburg1961 Harrisburg1961 Print · USGSCentral 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
- 1964 Map of Harrisburg1964 Harrisburg1964 Print · USGSCentral 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.
- 1966 Map of Lewistown, 1968 Print1966 Lewistown1968 Print · USGSMid-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
- 1977 Map of Lewistown, 1979 Print1977 Lewistown1979 Print · USGSLewistown 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.
- 1984 Map of State College, 1985 Print1984 State College1985 Print · USGSCentral 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.
- 1988 Map of State College, 1989 Print1988 State College1989 Print · USGSCentral 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.
- 2023 Map of Lewistown, 2023 Print2023 Lewistown2023 Print · USGSLewistown 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.
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