A wide variety of names are commonly used for petrified wood. Fossilized wood is a general term for wood that has been petrified or preserved by other methods of fossilization. Opalized wood is petrified wood that has been replaced by opal, an amorphous form of silica.
DHS redirects here. For other uses, see DHS (disambiguation). The United States Department of Homeland Security (DHS) is a cabinet department of the United States federal government with responsibilities in public security, roughly comparable to the interior or home ministries of other countries.
United States Deputy Secretary of Homeland Security. The Deputy Secretary of Homeland Security is the chief operating officer of the United States Department of Homeland Security, with responsibility for managing day-to-day operations. The department has over 208,000 employees and an annual budget of more than $48.5 billion.