Flexible roof drill for low coal
By: Norman H. Shoup and L. Alden Kendall.
Contributors: Kendall, L. Alden.
Series: Research report / Washington State University, College of Engineering, Research Division -- no. 77/5-62.; Research report (Washington State University. College of Engineering. Research Division) -- no. 77/5-62.
Publisher: Dept. of Mechanical Engineering, Washington State University, College of Engineering
Published: 1977
Place of publication: Pullman, Wash
Language: eng
Subjects: Boring machinery -- Testing.; Coal-mining machinery -- Testing.; Flexible shafting -- Testing.
Notes: "United States, Department of the Interior, Bureau of Mines, USBM Contract Report HO242027."

"August 30, 1977."

Includes bibliographical references.
Table of contents: value: v. 1. Phase I and Phase II.