TY  - BOOK
AU  - Marsh,George P.
TI  - The earth as modified by human action: A new ed. of Man and nature
AV  - GF31 .M29
PY  - 1877///
CY  - New York
PB  - Scribner, Armstrong
KW  - Human geography
KW  - Physical geography
N1  - Bibliography: p. [xi]-xxiii
ER  -