Orchard Park High School

Check out this database: ProQuest (user name: 14-9431 password: bigchalk) 

-Click the maroon ProQuest Database button

-Then select eLibrary & search

Use any of the following websites:

http://www.enchantedlearning.com/subjects/Geologictime.html

http://geomaps.wr.usgs.gov/parks/gtime/gtime2.html

http://paleobiology.si.edu/geotime/main

http://www.ucmp.berkeley.edu/help/timeform.php

You may also refer to your Earth Science Reference Tables to assist you!