Record
About Half Rock
Half Rock is an unincorporated community in Mercer County, in the U.S. state of Missouri.
This is a site record: what public sources say about Half Rock, gathered in one place. We haven't written a full guide yet, so history, current access and photos are still to come. Treat the status as unknown until a guide confirms it.
Map
Where Half Rock is

Historic maps
5 historic USGS maps cover Half Rock
Topographic sheets from the USGS Historical Topographic Map Collection (public domain), oldest first. Older sheets often show the camp, mines and roads while the place was alive. The downloads are large map scans; USGS topoView shows them in the browser.
- 1954 Centerville sheet, 1:250,000 · GeoTIFF download
- 1957 Centerville sheet, 1:250,000 · GeoTIFF download
- 1958 Centerville sheet, 1:250,000 · GeoTIFF download
- 1964 Half Rock sheet, 1:24,000 · GeoTIFF download
- 1981 Trenton sheet, 1:100,000 · GeoTIFF download
Directions
Getting there
Before you go
- Many ghost town sites are on private land, active mining claims or tribal land. Check land status and ask permission.
- Roads to old townsites are often unmaintained dirt. Map apps may route over closed or impassable tracks.
- Removing artifacts from public land is illegal under federal and most state laws.
Nearby
Other sites near Half Rock
Straight-line distance to other mapped sites in our Missouri index.
- Lucerne15.2 mi NE · Putnam
- Terre Haute15.6 mi NE · Putnam
- West Liberty21.8 mi NE · Putnam
- Paw Paw22.3 mi SE · Sullivan
- Ridgeway27.4 mi W · Harrison
- Leopolis27.7 mi S · Livingston
- Genova29.1 mi SW · Livingston
- Howland31.0 mi NE · Putnam
Sources
Sources
- ghosttowns.com, "Half Rock": county, roads, climate, best time to visit, remains.
- Wikipedia, "Half Rock, Missouri": coordinates and summary.
- Wikidata Q27985977.
- USGS GNIS 740898.
- USGS 3D Elevation Program, elevation at the coordinates.
- USGS The National Map and Historical Topographic Map Collection (public domain).