Each edition grades its towns against each other only.
Photo: Jet Lowe · Public domainIts Register listing is the Diehls Covered Bridge. Below: 2 old photos and papers and maps from 1927 on.
Read from the archive, the National Register and the record. The page puts what stands out first.
The first neighbors to add old photos shape how Harrison Township’s history is told.
Two other post offices opened and closed inside today’s town.
US Post Offices dataset (Blevins & Helbock, CC0). Places and cemeteries from the USGS Geographic Names Information System (2021).
From Wikipedia’s history of Harrison Township.
The Diehls Covered Bridge and Heirline Covered Bridge were listed on the National Register of Historic Places in 1980.
Text from Wikipedia, licensed CC BY-SA 4.0.
Woven from the archive, old maps, post office records, the National Register and the people born here.
On the mapFirst mapped by the U.S. Geological Survey
In the archiveDiehls Covered BridgeOne decade in the archive so far: the 1990s. Scroll each row; tap a photo for its story.
Every edition of the U.S. Geological Survey’s map of Harrison Township. Tap a year, or press play to watch the town change.
U.S. Geological Survey historical topographic maps (public domain), via Esri’s collection of the scans. The red ring marks the center of Harrison Township.
The country’s official list of buildings and places worth saving.
National Park Service, National Register of Historic Places. Photos from Wikimedia Commons, credited on each place’s page.
Nobody well known was born in Harrison Township itself, so here are the best known from just nearby.
Each neighbor’s History grade, on the same three inputs.
One place: the Diehls Covered Bridge (listed 1980).
What the archives can’t tell you, neighbors can.
Founding dates: Wikidata, Wikipedia, the U.S. post office records of Blevins & Helbock (CC0) and the Census. Homes by year built: Census ACS 2020–24. National Register of Historic Places: National Park Service (list of May 22, 2026). Old photos, postcards and papers: Wikimedia Commons, the Library of Congress and other public archives, credited on each item’s page. Maps: U.S. Geological Survey historical topographic maps (via Esri) and Sanborn fire-insurance maps (Library of Congress). History text and census tables: Wikipedia (CC BY-SA 4.0). Places that used to be: USGS Geographic Names Information System (2021). How TownRatings grades history →
From Wikimedia Commons (6), the National Register of Historic Places (1), Wikipedia, U.S. Geological Survey historical maps, the US Post Offices dataset (Blevins & Helbock) and the USGS Geographic Names Information System. Archive images are copied here with their credits and licenses, shown on each photo’s page. Refreshed monthly.
1994
2024
2024
2014
2014
