Sign cutting.

Bibliographic Details
Corporate Author:	United States. Bureau of Immigration
Format:	Government Document eBook
Language:	English
Published:	[Washington] : [s.n.], 1936.
Subjects:	Border security. Law enforcement. Emigration and immigration. Aliens.
Online Access:	Electronic resource (PDF)

Description
Item Description:	Sign-cutting is the detection and correct interpretation of certain physical evidence mainly to do with the movement of persons, in connection with patrolling of international land and water boundaries.
Physical Description:	1 online resource (11 pages), digital, PDF file