For the more information about the air resources of the National
Park Service, please visit http://www.nature.nps.gov/air/. Chazy
Fossil Reef Chazy Fossil Reef represents the oldest known
occurrence of a biologically diverse fossil reef in the world,
the earliest appearance of fossil coral in a reef environment,
and the first documented example of the ecological principle of
faunal succession. Year designated: 2009 Ownership: Federal,
State, Private Please remember, National Natural Landmarks
(NNLs) are not national parks. NNL status does not indicate
public ownership, and many sites are not open for visitation.
Last Updated: June 28, 2012