Perspectives on protecting the electric grid from an electromagnetic pulse or geomagnetic disturbance  :  roundtable before the Committee on Homeland Security and Governmental Affairs, United States Senate, One Hundred Sixteenth Congress, first session, February 27, 2019. 

 - 1 online resource (iv, 201 pages)  illustrations. 
 - S. hrg. ; ;  116-78 .
 - United States.  Congress.  Senate.  S. hrg. ;  116-78. .
<br/><br/> GPO Cataloging Record Distribution Program (CRDP). 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electric power systems--Security measures--United States.<br/>Electric power distribution--Security measures--United States.<br/>Electric power system stability.<br/>Electromagnetic pulse--Risk assessment--United States.<br/>Magnetic storms--Risk assessment--United States.
<br/><br/><label>Index Terms--Genre/Form: </label><br/>Legislative hearings.
<br/><br/><label>LC Class. No.: </label>KF26  / .H63 2019h 
<br/><br/><label>GPO Item No.: </label>1037-D (online) 
<br/><br/><label>Gov. Doc. Class. No.: </label>Y 4.G 74/9:S.HRG.116-78