Stagg, Mark S. <br/><br/>
Measurement of blast-induced ground vibrations and seismograph calibration 
by Mark S. Stagg and Alvin J. Engler. 
 - [Washington]  U.S. Dept. of the Interior, Bureau of Mines  1980. 
 - ii, 62 p.  ill.  27 cm. 
 - Report of investigations - Bureau of Mines  8506 .
 - Report of investigations (United States. Bureau of Mines)  8506. .
<br/><br/>Bibliography: p. 25-27. 
<br/><br/><label>LCCN: </label>80607894 //r85 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Seismic prospecting<br/>Seismometry<br/>Seismometers--Calibration.<br/>Blast effect.
<br/><br/><label>LC Class. No.: </label>TN23  TN269  / .U43 no. 8506 
<br/><br/><label>Dewey Class. No.: </label>622 s  622/.159 
<br/><br/><label>Gov. Doc. Class. No.: </label>I 28.23: (no.)