Science Education Resource Center at Carleton College
Serc: Yellowstone! A National Park on a Hot Spot
A lesson plan with an accompanying PowerPoint learning module for students where they learn about the volcanic features of Yellowstone National Park. They use spreadsheets to make various calculations, such as the volume of material...
Oklahoma State University
Encyclopedia of Oklahoma History and Culture: Oklahoma Territory
A description of the Oklahoma Territory and its rapid growth in the late 19th century.
Library of Congress
Loc: World of 1898: Spanish American War: Foraker Act (Organic Act of 1900)
Check out this page for a brief explanation of the Foraker Act of 1900. Includes photo.