Bronze Bust of John Wesley Powell
This bronze bust of John Wesley Powell was made by U.S.J. Dunbar Sr. It is mounted on a marble base and is signed in Verso, June 1894, and is inscribed, "Soldier, Teacher, Explorer, Geologist, Conservationist, Ethnologist, and Director of the USGS 1881-1894". Object ID: USGS-575163...
Location: USA

Cast Bronze Benchmark
Benchmarks can be divided into two general groups: the "vertical control points" are points that mark a very precise elevation above the standard datum plane (usually referred to as elevation above sea level) and the “horizontal control points” are points with precisely established latitude and long...
Location: USA