Spirit leveling in Illinois, 1896-1941.
By: prepared in cooperation with the State of Illinois, Department of Registration and Education, Geological Survey Division.
Contributors: Illinois State Geological Survey.
Series: Geological Survey bulletin -- 930-A
Publisher: U.S. G.P.O.
Published: 1942
Place of publication: Washington
Language: eng
Number of pages: 481
Subjects: Leveling -- Illinois.; Bench-marks -- Illinois.; Illinois -- Altitudes.; Illinois -- Surveys.
Genres: Surveys.
Notes: Includes index.