machine-worked mine
51UNITED STATES OF AMERICA — UNITED STATES OF AMERICA, country in N. America. This article is arranged according to the following outline: introduction Colonial Era, 1654–1776 Early National Period, 1776–1820 German Jewish Period, 1820–1880 East European Jewish Period,… …
52Coal mining — Men leaving a UK colliery at the close of a shift Surface coal mining in Wyo …
53Tom Morello — Background information Birth name Thomas Baptiste Morello Also known as The Nightwatchman …
54Mark Hanna — For other people named Mark Hanna, see Mark Hanna (disambiguation). Mark Hanna United States Senator from Ohio In office March 5, 1897 – February 15, 1904 …
55international relations — a branch of political science dealing with the relations between nations. [1970 75] * * * Study of the relations of states with each other and with international organizations and certain subnational entities (e.g., bureaucracies and political… …
56List of California Historical Landmarks — This is a list of California Historical Landmarks. The official list may be seen [http://ohp.parks.ca.gov/listed resources/?view=all here] . NOTOC · =Alameda County= For more details, please see http://ohp.parks.ca.gov/default.asp?page id=21388.… …
57Cougar (vehicle) — Cougar H Cougar in service with US Military in Iraq Service history Used by …
58Technology of the Song Dynasty — The Song Dynasty ( zh. 宋朝; 960–1279 CE) provided some of the most significant technological advances in Chinese history, many of which came from talented statesmen drafted by the government through imperial examinations.The ingenuity of advanced… …
59Ice Road Truckers — Genre …
60hand tool — any tool or implement designed for manual operation. * * * Introduction any of the implements used by craftsmen in manual operations, such as chopping, chiseling, sawing, filing, or forging. Complementary tools, often needed as auxiliaries to… …
