Results of spirit leveling in Michigan, 1911 and 1913 /
Marshall, R. B. 1867-1949.
Results of spirit leveling in Michigan, 1911 and 1913 / R.B. Marshall, chief geographer; work done in cooperation with the state of Michigan, through the Michigan Geological and Biological Survey, R.C. Allen, director. - Washington, Govt. Print. Off., 1914. - 79 p. : pl. ; 24 cm. - U.S. Geological survey. Bulletin 559 . - United States. Geological Survey. Bulletin ; 559. .
Includes index.
gs 15000100
Michigan--Altitudes.
QE75 / .B9 no. 559
Results of spirit leveling in Michigan, 1911 and 1913 / R.B. Marshall, chief geographer; work done in cooperation with the state of Michigan, through the Michigan Geological and Biological Survey, R.C. Allen, director. - Washington, Govt. Print. Off., 1914. - 79 p. : pl. ; 24 cm. - U.S. Geological survey. Bulletin 559 . - United States. Geological Survey. Bulletin ; 559. .
Includes index.
gs 15000100
Michigan--Altitudes.
QE75 / .B9 no. 559