This is just the beginning! Our collection holds over 300 years of history, including rare newspapers, obituaries, marriage records, birth records, and so much more—most of which you won’t find anywhere else!
Drills at Humphreys Train Sound Ranging and Mapping
Camp Humphreys engineers learn sound ranging to locate enemy guns by sound with training under Capt. Stephenson and Capt. Danns. Students observe gun flash and muzzle blast at night, calculate caliber and range, and practice flash ranging and map reading while conservation and reclamation projects plan new buildings and shops costing thousands.
MENTIONED IN THIS ARTICLE
Camp Humphreys
District of Columbia
Humphreye
L. P. Danns
United Sates Geological Survey
War Department
Eb, Stephenson
Ape Start
Lyiverassiy
North Dakota
Verlonn
Engineer
Naval Proving Grounds
Indian Herd
Potomac
Humphreys
Trainim
Camp Wieade
Army
Roy EB. Hughes
Thia
Stanner