Deep Borings with the Diamond Drill

The American Institute of Mining, Metallurgical, and Petroleum Engineers
Oswald J. Heinrich
Organization:
The American Institute of Mining, Metallurgical, and Petroleum Engineers
Pages:
4
File Size:
173 KB
Publication Date:
Jan 1, 1875

Abstract

(Supplementary Paper.) IN conclusion of a series of deep exploration-borings with the diamond drill, I beg to submit the following statements, supplernentary to those in my former papers on this subject: Since my communications read at the St. Louis Meeting, in May last, I have finished two more borings, one terminating at the depth of 922 feet 7 inches, the other at the depth of 715 feet 6 inches. The results in regard to time and expenditure have been highly favorable and fully confirmatory of my opinion stated in previous
Citation

APA: Oswald J. Heinrich  (1875)  Deep Borings with the Diamond Drill

MLA: Oswald J. Heinrich Deep Borings with the Diamond Drill. The American Institute of Mining, Metallurgical, and Petroleum Engineers, 1875.

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