CPT truck
![Truck used to push a “cone” into the ground.](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/thumbnails/image/truck_new.jpg?itok=NT-VYjnU)
Detailed Description
USGS CTP uses a 23-ton truck to push a “cone” into the ground. Photo by Scott Haefner, USGS. Figure by Tom Holzer, USGS.
Sources/Usage
Public Domain.
USGS CTP uses a 23-ton truck to push a “cone” into the ground. Photo by Scott Haefner, USGS. Figure by Tom Holzer, USGS.
Public Domain.