Garcia, Michael John, <br/><br/>
Barriers along the U.S. borders :  key authorities and requirements / 
Michael John Garcia. 
 - [Library of Congress public edition]. 
 - 1 online resource. 
 - Report / Congressional Research Service ;  R43975 .
 - CRS report ;  R43975. .
<br/><br/> The CRS report home page provides access to all versions published since 2018 in accordance with P.L. 115-141; earliest version dated [2017].  CRDP Program record. 
<br/><br/>Report includes bibliographical references. 
<br/><br/><label>LCCN: </label>2019231051 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Border security--United States.<br/>Emigration and immigration law--United States.
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Mexican-American Border Region.
<br/><br/><label>GPO Item No.: </label>0807-A-07 (online) 
<br/><br/><label>Gov. Doc. Class. No.: </label>LC 14.23:R 43975/