Gallagher, Brendan.

Protecting earth's history : Brendan and Debbie Gallagher. - Mankato, Minn. : Smart Apple Media, 2011. - 32 p. : col. ill., col. maps ; 28 cm. - World heritage .

Includes index.

ISBN: 9781599205786 (library bound)

LCCN: 2009053008

Subjects--Topical Terms:
National parks and reserves.
Environmental protection.

LC Class. No.: SB481.3 / .G35 2011

Dewey Class. No.: 333.78/3