Supplement to Corrections and revisions for U.S. Geological Survey bulletin 930-A, 930-B, 930-C, and 930-D :
Spirit leveling in Illinois, parts 1, 2, 3, and 4.

Description

Related Names

Illinois State Geological Survey.

Language(s)

English

Published

Urbana, Ill. : Illinois State Geological Survey, [1969]

Subjects

Leveling.
Bench-marks.
Attitude (Psychology)
Bench-marks > Bench-marks / Illinois.
Leveling.
Illinois.
Illinois > Illinois / Attitudes.

Note

Contains additional information that has been compiled since 1966.
"April 1969."
"Compiled by Illinois State Geological Survey, Engineering Geology and Topographic Mapping."--Cover, p.1.
Caption title.

Physical Description

25 pages ; 28 cm

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