TY  - BOOK
ED  - National Geographic Society (U.S.).
TI  - Preserving America's past
SN  - 0870444158
AV  - E159 .P74 1983
PY  - 1983///
CY  - Washington, D.C.
PB  - The Society
KW  - Historic sites
KW  - United States
KW  - Conservation and restoration
KW  - History, Local
N1  - Includes index; Bibliography: p. 199
ER  -