Chadwick, Douglas H. Enduring America / [electronic resource] / by Douglas H. Chadwick ; prepared by the Book Division.. — Washington, D.C. : : National Geographic Society,, c1995.. — 200 p. : : col. ill. ; 27 cm. Includes index. ISBN: 0792227336 9780792227335 LCCN: 94049542 Subjects--Topical Terms: Natural history--North America--Pictorial works. Subjects--Geographic Terms: North America--Pictorial works. LC Class. No.: E39.5 / .C43 1995 Dewey Class. No.: 970