TY  - BOOK
AU  - Gannett,Henry
TI  - The average elevation of the United States,
AV  - E159 .G192
KW  - United States
KW  - Altitudes
N1  - Also available in digital form on the Internet Archive Web site
UR  - http://hdl.loc.gov/loc.gdc/scd0001.00112709034
ER  -