Links:

http://www.americanrivers.org
This website shows information on different American Rivers. You can search in order to find information on a specific river.

http://www.americanrivers.org/site/News2?page=NewsArticle&id=8493
This web page says why the San Jacinto is one of last year's most endangered rivers. According to the page, the reason for the San Jacinto being named one of the most endangered rivers is because the sand mining has been unregulated. This causes the risk of flooding to increase. They also include people, whom you can contact for more information.

http://www.mii.org/sandg/sandgr.html
This website shows sites that have been reclaimed after sand mining was done. It includes pictures of before the restoration and after the restoration of the site. Examples of restorations include recreational areas, resorts, office parks, golf courses, housing areas, and wetlands.

http://www.mii.org/reclindus.html#sand%20and%20gravel"
In this web page, there are more examples available of place in the United States that have been restored.

http://www.cleanhouston.org/misc/sanjacinto.htm
This is an article detailing the effects of sand mining on the San Jacinto River. Wendee Holtcamp talks about what she saw when she visited the sand mining areas.

http://www.sanjacinto.cc/index.html
The San Jacinto Conservation Coalition's website has information on the San Jacinto River being nominated as an endangered river. They also have a section on what you can do.