TY  - BOOK
AU  - Douglas,Edward Morehouse
TI  - Boundaries, areas, geographic centers and altitudes of the United States and the several states,: with a brief record of important changes in their territory,
T2  - United States Geological survey. Bulletin 689
AV  - E179.5 .D73
PY  - 1923///
CY  - Washington
PB  - Govt. print. off.
KW  - Physical geography
KW  - United States
KW  - Altitudes
KW  - Boundaries
N1  - At head of title: Department of the interior; Two maps folded in pocket; Biographical references
ER  -