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...the end of the 19th century.<ref name="MercHz">{{cite book|title =Mercury hazards to living organisms|author= Eisler, R.| publisher = CRC Press|year = 2006|i ...es for those kinds of information the US geological survey and the British geological survey: the USGS Mercury production: NA; Hg mines : None. BGS: Mercury prod

| Section7 = {{Chembox Hazards Magnesium sulfates are common minerals in geological environments. Their occurrence is mostly connected with [[supergene (geolog

| Section7 = {{Chembox Hazards ...nerals.usgs.gov/minerals/pubs/commodity/salt/mcs-2010-salt.pdf Salt], U.S. Geological Survey</ref>

| Section3 = {{Chembox Hazards ...lytechnician and mining engineer, founder of [[:fr:BRGM|BRGM]], the French geological survey; son of Georges

[[Category:Geological hazards]]

...El Salvador|last=Rose|first=William I.|coauthor=Julian J. Bommer|publisher=Geological Society of America|isbn=0813723752|year=2004|page=299}}</ref>

| publisher =British Geological Survey ...ial known as asbestos in English). The ancients already recognized certain hazards of the material. The Greek geographer [[Strabo]] and the Roman naturalist [

...to the California flora | author = Keeley, J.E. |author.= | publisher =US Geological Survey |journal = Madrono | volume = 42 | pages = 175–179 | year = 1995 | ...of Colorado at Boulder Natural Hazards Center|url=http://www.colorado.edu/hazards/research/qr/qr173/qr173.pdf|format=PDF

...chinery they may encounter during the rescue, the layout of workings and [[geological]] conditions and working practices. Local and state governments may also ha *http://www.usmra.com/teamaccidents.htm hazards of mines rescue