. Deep borehole surveys and problems. Boring. COMPASS AND PLUMB-BOB METHODS 133. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Haddock, M. H. (Marshall Henry). New York, McGraw-Hill

---

Size: 1053px × 2372px
Photo credit: © The Book Worm / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., bookcentury1900, bookcollectionb, bookpublishernewyorkmcgrawhill