At head of title: United States Department of Labor. Frances Perkins, secretary. Immigration and Naturalization Service. D.W. MacCormack, commissioner.
"Lecture prepared for ... the last Border patrol training school at El Paso, Texas."--p. 2.
Sign-cutting is defined as "the detection and correct interpretation of certain physical evidence having mainly to do with the movement of persons."--p. 2.
Author
Love, Thomas Prince, 1891-
Title
Sign cutting, by T.P. Love, senior patrol inspector, Strauss, New Mexico. September 1936.
Imprint
Washington, U.S. Govt. Print. Off., 1936.
Added author
United States. Immigration and Naturalization Service.