This brief historical account describes some of the effects of the Cajon Pass earthquake, which struck near San Bernardino, California in 1899. It also incudes the time, approximate location, and approximate magnitude...

This is a tree species distribution atlas. It contains information for 80 species in the eastern half of the United States (east of the 100th meridian). The site contains distribution maps and tables for different...

In August 2001 the Secretaries of Agriculture and the Interior joined the Western Governors' Association, National Association of State Foresters, National Association of Counties, and the Intertribal Timber Council to...

The palynologist, Alwynne B. Beaudoin, created this website to provide visitors with explanations of acronyms commonly encountered in Quaternary studies. Through this extensive site, students and educators can find...

In this activity, students will identify an assemblage of fossils, determine their age, evaluate the fossil population, and make some inferences about the ancient environment in which they existed. The discovery aspect...