Spirit leveling in Texas, 1896 to 1915, inclusive,
Marshall, R. B. 1867-1949.
Spirit leveling in Texas, 1896 to 1915, inclusive, R. B. Marshall, chief geographer; work done in cooperation with the state of Texas in 1902, 1903, and 1910, and with Harris county in 1915. - Washington, Govt. Print. Off., 1916. - 254 p. pl. 23 1/2 cm. - United States. Geological Survey. Bulletin 637. .
At head of title: Department of the Interior.
gs 16000597
Texas--Altitudes.
QE75 / .B9 no. 637
Spirit leveling in Texas, 1896 to 1915, inclusive, R. B. Marshall, chief geographer; work done in cooperation with the state of Texas in 1902, 1903, and 1910, and with Harris county in 1915. - Washington, Govt. Print. Off., 1916. - 254 p. pl. 23 1/2 cm. - United States. Geological Survey. Bulletin 637. .
At head of title: Department of the Interior.
gs 16000597
Texas--Altitudes.
QE75 / .B9 no. 637