TY  - BOOK
AU  - Marshall,R.B.
ED  - Geological Survey of Alabama.
TI  - Results of spirit leveling in Alabama, 1911
T2  - U.S. Geological survey. Bulletin 517
AV  - GB495.A2 A3
PY  - 1912///
CY  - Washington
PB  - U.S. Govt. Print. Off.
KW  - Alabama
KW  - Altitudes
N1  - Work done in cooperation with State of Alabama through the Geological Survey of Alabama, Eugene A. Smith, State geologist
ER  -