American Museum of Natural History
American Museum of Natural History: Surveying Archaeological Sites O Logy Card
Find fast facts about surveying archaeological sites by flipping over this interactive card. Also, answer quiz questions to test your knowledge about mapping and measuring.
University of Groningen
American History: Essays: The Iron Horse: Conflicting Personal Interests
From a lengthy essay on the history of the railroad in the United States. This section describes the efforts of Jefferson Davis and others to survey lands for the best route for a transcontinental railroad. It also discusses the...
Independence Hall Association
U.s. History: 54 40 or Fight
See how James Polk's plan to claim the Oregon Territory, which had been shared with Great Britain since 1818, led him to victory with the slogan, Fifty-four forty or fight. Read about the settlers who traveled the Oregon Trail and why...
Library of Congress
Loc: Map Collections 1500 2002
This collection provides maps dating back to 1500 up to the present. The collection includes: cities, towns, discovery and exploration, conservation and environment, military battles, cultural landscapes, transportation, communication,...
US Geological Survey
Usgs: Earth Surface Dynamics (Research Activities)
This site from USGS provides several activities to help understand the interrelationships among earth surface processes, ecological systems, and human activities. Also included are links to new findings and programs concerning Earth...
Indiana University
Indiana Univ. Bloomington: Geo Notes: Standing Rocks: Remnants of Erosion [Pdf]
Explains what standing rocks are, how they are formed by erosion, and gives the names of some well-known ones in Indiana.