Spirit leveling in New Mexico, 1902 to 1915, inclusive,
Marshall, R. B. 1867-1949.
Spirit leveling in New Mexico, 1902 to 1915, inclusive, R. B. Marshall, chief geographer. - Washington, Govt. Print. Off., 1916. - 112 p. pl. 23 1/2 cm. - United States. Geological Survey. Bulletin 638 .
At head of title: Department of the Interior.
gs 16000511
New Mexico--Altitudes.
QE75 / .B9 no. 638
Spirit leveling in New Mexico, 1902 to 1915, inclusive, R. B. Marshall, chief geographer. - Washington, Govt. Print. Off., 1916. - 112 p. pl. 23 1/2 cm. - United States. Geological Survey. Bulletin 638 .
At head of title: Department of the Interior.
gs 16000511
New Mexico--Altitudes.
QE75 / .B9 no. 638