Educational Videos <br/><br/>
How Communities Grow and Change / 
Educational Videos. 
 - El Dorado Hills, CA :  100% Educational Videos,  1997. 
 - 100% Educational Videos .
<br/><br/> Learn how natural resources provide work for people and help communities that depend on farming, coal goldd, oil, trees etc.  See how citites can boom and then bust. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Natural Resources--Communities