. Deep borehole surveys and problems. Boring. 12 DEEP BOREHOLE SURVEYS AND PROBLEMS .-ci^. Plate I.—The Ansehiitz-Kaempfe deviation 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

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