Curated OER
Educational Technology Clearinghouse: Maps Etc: California, 1904
A map of California from 1904 showing the State capital of Sacramento, major cities and towns, railroads, mountain systems, lakes, rivers, and coastal features. "California, first settlement made in 1769 by the Spaniards. Gold was...
Curated OER
Portrait: Cavelier De La Salle
Rene Robert Cavelier, Sieur de La Salle (1643 - 1687) was a French explorer. He explored the Great Lakes region of the United States and Canada, the Mississippi River, and the Gulf of Mexico. La Salle claimed the entire Mississippi basin...
Curated OER
Science Kids: Science Images: Water Pollution
This image helps highlight the problem of water pollution that can effect various rivers, lakes and other sources of water.