Spirit leveling in Illinois, 1914 to 1917, inclusive
By: R. B. Marshall, chief geographer ; work done in cooperation with the State Geological Survey of Illinois.
Contributors: Illinois State Geological Survey.
Series: Geological Survey bulletin -- 672
Publisher: Govt. Print. Off.
Published: 1918
Place of publication: Washington
Language: eng
Number of pages: 108
Subjects: Leveling -- Illinois.; Bench-marks -- Illinois.; Illinois -- Altitudes.; Illinois -- Surveys.
Genres: Surveys.
Notes: Includes index.