Rogers Birnie (5 April 1851 – 25 September 1939) was a United States Army officer and explorer of Death Valley.
During the survey that year, he found some Anasazi ruins which in the 20th century were made a UNESCO World Heritage Site.
He transferred to the Ordnance Corps in 1878 and served at the West Point Foundry, Springfield Arsenal and Sandy Hook Proving Ground.
[3] He was instrumental in the introduction of steel-forged built-up guns for coastal artillery in the United States.
As Chief Ordnance Officer of the Division of Cuba, he received transfer of armament and fortifications around Havana from the defeated Spanish.