TY  - BOOK
AU  - Marshall,R.B.
TI  - Results of spirit leveling in Arizona, 1899 to 1915, inclusive
T2  - U.S. Geological survey. Bulletin 573
AV  - QE75 .B9 no. 573
PY  - 1915///
CY  - Washington
PB  - Govt. Print. Off.
KW  - Arizona
KW  - Altitudes
N1  - Includes index
ER  -