Nichols, Thomas C. <br/><br/>
A solid-inclusion borehole probe to determine three-dimensional stress changes at a point in a Rock Mass / 
by Thomas C. Nichols, John F. Abel and Fitzhugh T. Lee. 
 - Washington:   United States Government Printing Office,   1968.  
 - iv, C28 p. :  ill. ;  23 cm. 
 -  1258 Contributions to Engineering GeologyChapter C .
<br/><br/>Includes bibliographical references (p. C27-C28). 
<br/><br/> Development and laboratory testing of a solid-inclusion borehole instrument and the mathematical bases for reduction of the three-dimensional data produced by the instrument. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Engineering geology--United States<br/>Geological survey--United States
<br/><br/><label>Dewey Class. No.: </label>624.151