. Deep borehole surveys and problems. Boring. Case 2. <f- ff-oc. Cose 3. <f=l8Q°-[i-oc. 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: 1706px × 1465px
Photo credit: © The Book Worm / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., bookcentury1900, bookcollectionb, bookpublishernewyorkmcgrawhill