i
ii
iii
iv
v
vi
vii
viii
ix
x

State of Conservation

44
Reports
14
Properties concerned
14
States Parties with SOC reports
Date Start: 2002close
Threats* : Air pollutionclose
States Parties: United States of America
Year: 2010
Document Source: WHC-10/34.COM/7B
Threats*: Air pollution
States Parties: United States of America
Year: 2008
Document Source: WHC-08/32.COM/7B
Threats*: Air pollution
States Parties: United States of America
Year: 2006
Document Source: WHC-06/30.COM/7B
Threats*: Air pollution
States Parties: United States of America
Year: 2005
Document Source: WHC-05/29.COM/7B.Rev
Threats*: Air pollution

* : The threats indicated are listed in alphabetical order; their order does not constitute a classification according to the importance of their impact on the property.
Furthermore, they are presented irrespective of the type of threat faced by the property, i.e. with specific and proven imminent danger (“ascertained danger”) or with threats which could have deleterious effects on the property’s Outstanding Universal Value (“potential danger”).

** : All mission reports are not always available electronically.