Spirit leveling in Texas /
Staack, John George,1878-
Washington : U.S. G.P.O.,
1942.
Part 1. Western Texas, 1896-1935.--Part 2. Panhandle, 1896-1939.--Part 3. West-central Texas, 1896-1938.--Part 4. North-central Texas, 1896-1938.--Part 5. South-central Texas, 1896-1938.
Leveling.
Bench-marks