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  2. AP Human Geography - Wikipedia

    en.wikipedia.org/wiki/AP_Human_Geography

    Advanced Placement (AP) Human Geography (also known as AP Human Geo, AP Geography, APHG, AP HuGe, APHug, AP Human, HuGS, AP HuGo, or HGAP) is an Advanced Placement social studies course in human geography for high school, usually freshmen students in the US, culminating in an exam administered by the College Board. [1]

  3. Mining in the United States - Wikipedia

    en.wikipedia.org/wiki/Mining_in_the_United_States

    Mining in the United States has been active since the beginning of colonial times, but became a major industry in the 19th century with a number of new mineral discoveries causing a series of mining rushes. In 2015, the value of coal, metals, and industrial minerals mined in the United States was US$109.6 billion. 158,000 workers were directly ...

  4. Mining - Wikipedia

    en.wikipedia.org/wiki/Mining

    The mineral industry of Africa includes the mining of various minerals; it produces relatively little of the industrial metals copper, lead, and zinc, but according to one estimate has as a percent of world reserves 40% of gold, 60% of cobalt, and 90% of the world's platinum group metals. [81]

  5. Human geography - Wikipedia

    en.wikipedia.org/wiki/Human_geography

    Original mapping by John Snow showing the clusters of cholera cases in the London epidemic of 1854, which is a classical case of using human geography. Human geography or anthropogeography is the branch of geography which studies spatial relationships between human communities, cultures, economies, and their interactions with the environment, examples of which include urban sprawl and urban ...

  6. History of materials science - Wikipedia

    en.wikipedia.org/wiki/History_of_materials_science

    The history of materials science is the study of how different materials were used and developed through the history of Earth and how those materials affected the culture of the peoples of the Earth. The term " Silicon Age " is sometimes used to refer to the modern period of history during the late 20th to early 21st centuries.

  7. History of the iron and steel industry in the United States

    en.wikipedia.org/wiki/History_of_the_iron_and...

    The Steel Crisis: The Economics and Politics of a Declining Industry (1986) Seely, Bruce E., ed The Iron and Steel Industry in the 20th Century (1994) (Encyclopedia of American Business History and Biography) Skrabec Jr, Quentin R. The Carnegie Boys: The Lieutenants of Andrew Carnegie that Changed America (McFarland, 2012). Temin, Peter.

  8. Black Belt in the American South - Wikipedia

    en.wikipedia.org/wiki/Black_Belt_in_the_American...

    American Literary History 31.4 (2019): 715–740; explores the studies of black belt history by W.E.B. DuBois. Alston, Lee J., and Joseph P. Ferrie. "Social Control and Labor Relations in the American South Before the Mechanization of the Cotton Harvest in the 1950s" Journal of Institutional and Theoretical Economics (1989): 133–157 Online.

  9. Historical geography - Wikipedia

    en.wikipedia.org/wiki/Historical_geography

    A 1740 map of Paris. Ortelius World Map, 1570. Historical geography is the branch of geography that studies the ways in which geographic phenomena have changed over time. [1] In its modern form, it is a synthesizing discipline which shares both topical and methodological similarities with history, anthropology, ecology, geology, environmental studies, literary studies, and other fields.