Artificial Reefs: Pratte's Reef - Construction specifications and resources related to Pratte's Reef. www.surfrider.org/artificialreef/artificial_reefs.htm
Blue Butterfly - Photograph, description and habitat. shanana.berkeley.edu/essig/endins/euphilot.htm
Chevron El Segundo Refinery - Environmental Protection Agency risk management plan. db.rtknet.org/E26261T1081
Dunes Indigenous Insects - Several pictures of inscets indigenous to the local area. www.dune-prairie.org/projects/friends/animals/insects.html
Influence on Santa Monica Bay - Impacts and related links regarding Chevron's oil refinery. www.bol.ucla.edu/~tandaman
The Glide: Pratte's Reef - Information and links to related sites. www.theglide.com/news/news.php?threadid=1&page=3
Tree Musketeers - Local chapter of the nations first youth environmental organization. A nonprofit charity where kids are boss. www.treemusketeers.org
U.S. Fish and Wildlife Service - Species profile regarding the endangered El Segundo blue butterfly. ecos.fws.gov/species_profile/species_profile.html?spcode=I00C
