California
Golden Gate Bridge
Veel üks pilk põllumajandus piirkonnale, The Central Valley
Kasutatud kirjandus
http://www.conservation.ca.gov/cgs/EarthquakeDOC/Pages/EarthquakeDOC.aspx
http://search.ca.gov/search?
q=geological+survey&submit.x=0&submit.y=0&site=ca_all&client=ca_x&output=xml_
no_dtd&proxystylesheet=ca_x
http://www.wikipedia.org/
http://www.miksike.ee/documents/main/referaadid/maavarinad.htm
http://www.sacvalleycnps.org/Conservation/vernalpools/mather3.htm
http://quake.usgs.gov/recenteqs/
http://www.esa.int/esaEO/SEM9703Z28F_index_0.html
ENE 1 A-CENT
annaabi.ee 
