The United States Bureau of Mines (USBM) was the primary United States government agency in the 20th century that conducted scientific research and disseminated information on the extraction, processing, use, and conservation of mineral resources. The Bureau was abolished in 1996.
1910 — 1996
Wikimedia, Wikidata BM; BOM; Bureau of Mines (United States); U.S. Bureau of Mines; US Bureau of Mines; USBM government agency, mining, mining safety,
War work and the Bureau of Mines. Testing the volatility of gasoline by means of two electrically heated standard distillation sets in the Pittsburgh, Pa., laboratories - DPLA - 332b0fff15c0f9c2e6112a94fa41cd1a
War work and the Bureau of Mines. Studying the "cracking" of petroleum distillates at Government laboratory in Pittsburgh, Pa - DPLA - 4542886bd232b76ba881acb4a62fb543
War work and the Bureau of Mines. At the request of the Chief of Ordnance and the Chief of Engineers, War Department, the Bureau of Mines took up an elaborate series of tests of mil - DPLA - 745d13f7bbb2f96e29a1014519e80b73
War work and the Bureau of Mines. The Bureau of Mines early in the war tendered its facilities and laboratories to Ordnance, War Department, which established the Central Control La - DPLA - f50bbd1454ae524114dd8a77e8150ada
War work and the Bureau of Mines. Testing lubricating oil for flash and fire points and for its viscosity at the laboratories in Pittsburgh, Pa - DPLA - f4436cfba182abe59ee1fd90bceb3d3c
Experimental Mine with mule
War work and the Bureau of Mines. At work on an improved form of thermostat calorimeter under the supervision of E. W. Dean, Chemist, at the Pittsburgh, Pa. laboratory - DPLA - 991f8076c2ae3b4ded1c2b2661d56642
30-cu.ft.Minecar
War work and the Bureau of Mines. At the request of the Chief of Ordnance and the Chief of Engineers, War Department, the Bureau of Mines took up an elaborate series of tests of mil - DPLA - 5e92ad9ba9c6f6ab244a3321b8e32c75
War work and the Bureau of Mines. Coal is one of the most important factors in the war. Photograph shows methods of transportation of coal after it comes from the mine - DPLA - a0f967bad6bcfd009e489a75a448e1ee