Elementary and practical treatise on subterraneous surveying, and the magnetic variation of the needle.
3rd ed.
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Word Count
40,500 words, Guess
Page Count
162 pages
Identifiers
- Open LibraryOL7112064M
- OCLC Control Number982921
- Internet Archiveelementarypracti00fenwrich
Subjects
Topics
Other Editions
- Elementary and practical treatise on subterraneous surveying, and the magnetic variation of the needle.
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